US20100107816A1 - Method of making metal flakes - Google Patents
Method of making metal flakes Download PDFInfo
- Publication number
- US20100107816A1 US20100107816A1 US12/608,058 US60805809A US2010107816A1 US 20100107816 A1 US20100107816 A1 US 20100107816A1 US 60805809 A US60805809 A US 60805809A US 2010107816 A1 US2010107816 A1 US 2010107816A1
- Authority
- US
- United States
- Prior art keywords
- base material
- additive
- kinetic
- metal
- milling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000000654 additive Substances 0.000 claims abstract description 20
- 230000000996 additive effect Effects 0.000 claims abstract description 19
- 238000005275 alloying Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000003801 milling Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000011133 lead Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920000271 Kevlar® Polymers 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000004761 kevlar Substances 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- -1 polytetrafluorethylene Polymers 0.000 claims description 2
- 239000010953 base metal Substances 0.000 claims 1
- XPPWAISRWKKERW-UHFFFAOYSA-N copper palladium Chemical compound [Cu].[Pd] XPPWAISRWKKERW-UHFFFAOYSA-N 0.000 claims 1
- 238000005551 mechanical alloying Methods 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
- B22F1/0551—Flake form nanoparticles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Definitions
- the invention relates to a method of making metal flakes by kinetic milling.
- Metal flakes produced in this manner are used in large-scale industrial applications as pigments, solders, protective coatings, electromagnetic shielding, antifouling coatings, or biokinetically active coatings, etc.
- metal flakes are currently produced by low- or high-kinetic milling methods, also known as “mechanical alloying” or “high-kinetic processing,” from only one predetermined base material.
- the base material is typically a metal in the form of water- or a gas-atomized powder.
- the object of the invention is to further improve a known method of making metal flakes in that it is also suitable for making metal flakes having improved properties.
- the object is attained by the method defined in patent claim 1 .
- the method is characterized in that at least one further alloying additive is provided in addition to the metal base material, and that making the metal flakes is carried out by kinetic milling of the base material together with the at least one alloying additive such that the base material is mechanically alloyed with the one alloying additive.
- the core of the invention is therefore that not only one, but at least two materials, e.g. the base material and an alloying additive, are used in the high-kinetic milling process and are then together mechanically alloyed into alloy metal flakes by the milling process.
- the high-kinetic milling process enables the creation of novel materials, particularly also ductile compounds that cannot be produced in the conventional fusion metallurgical manner.
- novel materials particularly also ductile compounds that cannot be produced in the conventional fusion metallurgical manner.
- These are in particular saturated and over-saturated mixed crystal formations (superalloys), saturated, metastable, or quasicrystalline intermetal phase materials such as amorphous or partially amorphous materials.
- the novel flake materials produced according to the invention have improved optical, electrical, chemical, electromagnetic, electrochemical, mechanical, biokinetic, or improved hydraulic properties.
- the materials produced according to the invention are used for example as pigments, solders, protective coatings, electromagnetic shielding, antifouling coatings, or as biokinetically active coating
- the base material is a metal such as aluminum, nickel, copper, palladium, silver, gold, or lead, each having a cubic face-centered Kfz lattice structure, or titanium, iron, cobalt, zinc, or molybdenum, the latter elements having a cubic space-centered KRZ lattice structure.
- a metallic alloy may also be used as the base material.
- the alloying additive additionally used according to the invention is preferably also a metal, further preferably one of the metals mentioned above, or an oxide, a carbide, or a nitride.
- the alloying additive additionally used according to the invention may also be carbon nano tubes CNT, and/or fibrous materials (fibers) such as fiber glass or Kevlar fibers, and/or polymers such as polytetrafluoroethylene (PTFE).
- the fibrous materials have a geometric function, for example it is incorporated into the metal structure of the base material, preferably as a whole by the mechanical alloying. For this purpose a suitable tempering of the alloy process is required. Furthermore, a ductile matrix is in particular necessary with the use of the fibrous materials.
- All stated alloying additives may be mechanically alloyed either individually, or in any desired combination with each other.
- the kinetic milling process is either a high- or low-energy kinetic milling process.
- the method according to the invention enables making a novel material by mechanical alloying of a metal (base material) together with an alloying additive in the form of at least one further metal, or a non-metal.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention relates to a method of making metal flakes by low- or high-kinetic milling, also known as mechanical alloying. The object of the invention is to further improve such a known method such that it is also suitable for making metal flakes having improved properties. The object is attained according to the invention in that at least one further alloying additive is provided in addition to a metal base material, and that making the metal flakes is carried out by kinetic milling of the base material together with the at least one alloying additive such that the base material and the alloying additive are mechanically alloyed with each other.
Description
- The invention relates to a method of making metal flakes by kinetic milling.
- Metal flakes produced in this manner are used in large-scale industrial applications as pigments, solders, protective coatings, electromagnetic shielding, antifouling coatings, or biokinetically active coatings, etc.
- Such methods are generally known from the prior art. Traditionally, metal flakes are currently produced by low- or high-kinetic milling methods, also known as “mechanical alloying” or “high-kinetic processing,” from only one predetermined base material. The base material is typically a metal in the form of water- or a gas-atomized powder.
- Based on the prior art the object of the invention is to further improve a known method of making metal flakes in that it is also suitable for making metal flakes having improved properties.
- The object is attained by the method defined in patent claim 1. The method is characterized in that at least one further alloying additive is provided in addition to the metal base material, and that making the metal flakes is carried out by kinetic milling of the base material together with the at least one alloying additive such that the base material is mechanically alloyed with the one alloying additive.
- The core of the invention is therefore that not only one, but at least two materials, e.g. the base material and an alloying additive, are used in the high-kinetic milling process and are then together mechanically alloyed into alloy metal flakes by the milling process. In this manner the high-kinetic milling process enables the creation of novel materials, particularly also ductile compounds that cannot be produced in the conventional fusion metallurgical manner. These are in particular saturated and over-saturated mixed crystal formations (superalloys), saturated, metastable, or quasicrystalline intermetal phase materials such as amorphous or partially amorphous materials. Contrary to known materials, the novel flake materials produced according to the invention have improved optical, electrical, chemical, electromagnetic, electrochemical, mechanical, biokinetic, or improved hydraulic properties. The materials produced according to the invention are used for example as pigments, solders, protective coatings, electromagnetic shielding, antifouling coatings, or as biokinetically active coatings, etc.
- According to a first embodiment of the invention the base material is a metal such as aluminum, nickel, copper, palladium, silver, gold, or lead, each having a cubic face-centered Kfz lattice structure, or titanium, iron, cobalt, zinc, or molybdenum, the latter elements having a cubic space-centered KRZ lattice structure.
- As an alternative a metallic alloy may also be used as the base material.
- The alloying additive additionally used according to the invention is preferably also a metal, further preferably one of the metals mentioned above, or an oxide, a carbide, or a nitride.
- However, the alloying additive additionally used according to the invention may also be carbon nano tubes CNT, and/or fibrous materials (fibers) such as fiber glass or Kevlar fibers, and/or polymers such as polytetrafluoroethylene (PTFE). The fibrous materials have a geometric function, for example it is incorporated into the metal structure of the base material, preferably as a whole by the mechanical alloying. For this purpose a suitable tempering of the alloy process is required. Furthermore, a ductile matrix is in particular necessary with the use of the fibrous materials.
- All stated alloying additives may be mechanically alloyed either individually, or in any desired combination with each other.
- The kinetic milling process is either a high- or low-energy kinetic milling process.
- Advantageously, the method according to the invention enables making a novel material by mechanical alloying of a metal (base material) together with an alloying additive in the form of at least one further metal, or a non-metal.
Claims (11)
1. A method of making metal flakes, comprising the following steps:
providing a metal base material;
providing an additive alloyable with but different from the base material; and
simultaneously kinetic milling the base material and the alloying additive such that the base material and the alloying additive are mechanically alloyed with each other.
2. The method according to claim 1 , wherein the base material is aluminum, nickel, copper palladium, silver, gold, lead, titanium, iron, cobalt, zinc, or molybdenum.
3. The method according to claim 1 , wherein the base metal is a metallic alloy.
4. The method according to claim 1 wherein the base material or the alloying additive for the kinetic milling process is a water- or gas-atomized powder.
5. The method according to claim 1 wherein the alloying additive is aluminum, nickel, copper, palladium, silver, gold, lead, titanium, iron, cobalt, zinc, or molybdenum; an oxide; a carbide; a nitride, carbon nano tubes; fiber glass or Kevlar fibers; or a polymer; or any desired combination of two or more of these components.
6. The method according to claim 1 wherein the kinetic milling is a high- or low-energy kinetic milling.
7. The method defined in claim 1 wherein the alloying additive is polytetrafluorethylene.
8. The method defined in claim 1 wherein the base material or the additive is a pure metal.
9. The method defined in claim 1 wherein the base material is a pure metal.
10. The method defined in claim 1 wherein both the base material and the additive are a pure metal.
11. The method defined in claim 1 wherein both the base material and the additive are fine powders.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008053891.4 | 2008-10-30 | ||
| DE102008053891 | 2008-10-30 | ||
| DE102009050709 | 2009-10-26 | ||
| DE102009050709.4 | 2009-10-26 | ||
| DE102009051147.4 | 2009-10-29 | ||
| DE102009051147A DE102009051147A1 (en) | 2008-10-30 | 2009-10-29 | Process for the production of metal flakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20100107816A1 true US20100107816A1 (en) | 2010-05-06 |
Family
ID=42063253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/608,058 Abandoned US20100107816A1 (en) | 2008-10-30 | 2009-10-29 | Method of making metal flakes |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20100107816A1 (en) |
| DE (1) | DE102009051147A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676153A (en) * | 2019-01-28 | 2019-04-26 | 武汉科技大学 | A kind of method that can prepare simultaneously porous gold nano grain Yu hexagon gold-nano-piece |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3832156A (en) * | 1972-09-27 | 1974-08-27 | Us Bronze Powders Inc | Powdered metal process |
| US4762677A (en) * | 1987-11-03 | 1988-08-09 | Allied-Signal Inc. | Method of preparing a bulk amorphous metal article |
| US5242513A (en) * | 1990-03-15 | 1993-09-07 | Sumitomo Electric Industries, Ltd. | Method of preparing on amorphous aluminum-chromium based alloy |
| US5296189A (en) * | 1992-04-28 | 1994-03-22 | International Business Machines Corporation | Method for producing metal powder with a uniform distribution of dispersants, method of uses thereof and structures fabricated therewith |
| WO1999058274A1 (en) * | 1998-05-08 | 1999-11-18 | Savin Roland R | Modification of metallic particles |
| US20070199410A1 (en) * | 2003-07-11 | 2007-08-30 | H.C. Starck Gmbh. | Method For The Production Of Fine Metal Powder, Alloy Powder And Composite Powder |
| US20070264149A1 (en) * | 2006-05-15 | 2007-11-15 | Roberto Martinez Sanchez | Reinforced aluminum alloy and its process of manufacture |
| US8016909B2 (en) * | 2005-08-12 | 2011-09-13 | Dunwilco (1198) Limited | Process for producing metal flakes |
-
2009
- 2009-10-29 US US12/608,058 patent/US20100107816A1/en not_active Abandoned
- 2009-10-29 DE DE102009051147A patent/DE102009051147A1/en not_active Ceased
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3832156A (en) * | 1972-09-27 | 1974-08-27 | Us Bronze Powders Inc | Powdered metal process |
| US4762677A (en) * | 1987-11-03 | 1988-08-09 | Allied-Signal Inc. | Method of preparing a bulk amorphous metal article |
| US5242513A (en) * | 1990-03-15 | 1993-09-07 | Sumitomo Electric Industries, Ltd. | Method of preparing on amorphous aluminum-chromium based alloy |
| US5296189A (en) * | 1992-04-28 | 1994-03-22 | International Business Machines Corporation | Method for producing metal powder with a uniform distribution of dispersants, method of uses thereof and structures fabricated therewith |
| WO1999058274A1 (en) * | 1998-05-08 | 1999-11-18 | Savin Roland R | Modification of metallic particles |
| US20070199410A1 (en) * | 2003-07-11 | 2007-08-30 | H.C. Starck Gmbh. | Method For The Production Of Fine Metal Powder, Alloy Powder And Composite Powder |
| US8016909B2 (en) * | 2005-08-12 | 2011-09-13 | Dunwilco (1198) Limited | Process for producing metal flakes |
| US20070264149A1 (en) * | 2006-05-15 | 2007-11-15 | Roberto Martinez Sanchez | Reinforced aluminum alloy and its process of manufacture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676153A (en) * | 2019-01-28 | 2019-04-26 | 武汉科技大学 | A kind of method that can prepare simultaneously porous gold nano grain Yu hexagon gold-nano-piece |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102009051147A1 (en) | 2010-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: ZOZ GMBH,GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZOZ, HENNING;JARAMILLO-VIGUERAS, DAVID;SIGNING DATES FROM 20091106 TO 20091111;REEL/FRAME:023715/0994 |
|
| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |