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US2860968A - Wrought high temperature alloy - Google Patents

Wrought high temperature alloy Download PDF

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Publication number
US2860968A
US2860968A US571377A US57137756A US2860968A US 2860968 A US2860968 A US 2860968A US 571377 A US571377 A US 571377A US 57137756 A US57137756 A US 57137756A US 2860968 A US2860968 A US 2860968A
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United States
Prior art keywords
titanium
aluminum
boron
iron
molybdenum
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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.)
Expired - Lifetime
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US571377A
Inventor
Alfred L Boegehold
Dean K Hanink
Fred J Webbere
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Motors Liquidation Co
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General Motors Corp
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Publication date
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Priority to US571377A priority Critical patent/US2860968A/en
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Expired - Lifetime legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%

Definitions

  • the 350% aluminum material of this invention has numerous applications in 5 250% titanium gas turbines and jet engine components; some of 5.00- 6.00% aluminum and titanium combined uses for which this material is particularly useful are: 0 08% boron fabricated nozzle guide vanes, afterburner flame gutters,' I i' m nickel turbine shrouds, etc.
  • the material of this invention in i sheet metal form has better high-temperature properties.
  • oaluminum 40 Th h ht kd 3 00% titanium e wroug t or o wor e ma mas 0 1s 1nven- 020% boron tlon may be subsequently solutlon treated and aged.
  • the material also may contain silicon ranging up to about typical treatment this purpose iljcludes hheatingf for one hour at 2075"v water quenc ing, re eating our ig g iigzii ig 3 2 f g ifi 3 25 222: hours at 1 100 F., and thereaf ter air cooling.
  • a wrought-metal product capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:
  • a sheet metal product capable of withstanding high and prolonged stress at elevated temperature consisting 1o essentially as follows:
  • a hot rolled sheet metal capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:
  • a wrought-metal product capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:
  • a wrought-metal product capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Heat Treatment Of Steel (AREA)

Description

ICC
Patented Nov. 18,1958
Usually, the preferred materials will fall within ;a range 1 of composition as follows:
2,860,968 I v WROUGHT HIGH TE PERATURE- nnoy 0.0% 930% carbon Alfred L. Boegehold, Pontiac, Mich., Dean K. Hanink, chromlum Indianapolis, 11111., and Fred J. Webbere, Pontiac, Mich., 4.00.- 6.00% molybdenum assignors to General Motors Corporation, 'Detroit, 14.00-30.00% 11'011 Mich., acorporation of Delaware v 1.50- 5.00% aluminum 1.50- 2.50% titanium No Drawing. Applicahon March 14 1956 0 Serial No. 571,377
Balance n1ckel 8 Claims. -(Cl. 75122) The following is atypical example of a highly satis- This invention has to do with an improved high-temac ory alloy in accordance with the invention; perature alloy which is capable of being hot worked into any desired shape and is capable 'of withstanding pro- 5 carbon longed stress at elevated temperature. 0 10% (max) manganese The alloy of this invention is especially useful for 0 (mm) Silicon parts which have to withstand high stresses under elevated 72 14 00 17 0% chromium temperature conditions such as 1500 F. or higher and" 600% molybdenum at the same time be resistant to oxidation. The 240046007] iron alloy uses a minimum of strategic materials. The 350% aluminum material of this invention has numerous applications in 5 250% titanium gas turbines and jet engine components; some of 5.00- 6.00% aluminum and titanium combined uses for which this material is particularly useful are: 0 08% boron fabricated nozzle guide vanes, afterburner flame gutters,' I i' m nickel turbine shrouds, etc. The material of this invention in i sheet metal form has better high-temperature properties. I and much lower strategic rating than materials current- All composltlons P f mventlon have good 1 available commercially in sheet form WOIk-abllltyo at temperatures ln the range of about 1750 The composition of the material of the present invento 21 25 Th ls 15 p r c lar advantage of the tion in its broader aspects consists essentially as follows: Pmsmt mvemlon f fl mammals can b6 readfly O 03 0307 b processed from-cast ingots into wrought products such g; as bar StuCll, sheets, etc., using conventional rolling mill 6 f gi equipment. The materials have been successfully re- 4 15 p enum duced into sheets having thicknesses as low as 0.03 inch. 3 :35; The sheet materials of this invention may be hot or cold pressed or otherwise formed into desired shapes.
oaluminum 40 Th h ht kd 3 00% titanium e wroug t or o wor e ma mas 0 1s 1nven- 020% boron tlon may be subsequently solutlon treated and aged. A The material also may contain silicon ranging up to about typical treatment this purpose iljcludes hheatingf for one hour at 2075"v water quenc ing, re eating our ig g iigzii ig 3 2 f g ifi 3 25 222: hours at 1 100 F., and thereaf ter air cooling. Another rfnges between 0 05 and 030 Percent and the s ilicon t1:eatmen-t mcludas heatmg at 2000-0 for 20 minutes rangesbetween afid 0 60 percent. Best results also an coolmg, and thereafter reheatlng for 20 hours at are obtained when the iron content, is not more than 1500 about 30 percent and when the material has a boron Table A below glves the results of typical tests on test content of at least .04 percent and preferably at least bars made fro]? Wrought barstfick from dlflgrenfi heats Q06 percgnta This amount of boron substantially The Table A gives thecompositlon of the mater1als,.the proves elongation rupture and with increase in heat treat ng cond1t1ons, t1me to rupture. 1n hours, perrupture life. Amounts of iron above 30 percent cause cent elongatlon at rupture, and the test condit1ons includa decrease in high-temperature strength g temperature and $1655 mp y l F S Table A wnouon'r BAasTo'oK Heat c a v ..H0l1lS. .Percent.. No. 0 Mn Si Ni v Cr Mo Fe Al' Ti B: Condition to Eltsgnga- Test Conditions V ggigg z 2.1 1,500 F./35,000 p. s. 1. 1 .19 .05 .11 Bal. 14.7 4.35 23.9 3.57 2.23 ND gg;. a1 1,500F. a 5,0o 0 1.3.1. iiit fiiti a v 4. new F./35,000p. .1. 1 h .,'2,075 F. o 2 .19 .05 1 .11 Bal. 14.6 4.17 23.5 3.39 2.31 .041 {4-hi's., ,500F 13.8 1,500 F./35,000p. s,i. v 1 1hr., 2,07 F. 11.6 1,500 F./35,000p. a.1.. 3 .05 .14 Bel. 14.8' 4.24 26.0 2.80 2.4a .05 1m-.,2,075 F. 11.1 1,500" F./25,000p. s. 1.-
0.03-0.30% carbon 0.00-1.00% silicon 0.00-1.00% manganese 13.00-17.00% chromium 4.00-6.00% molybdenum 24.00-55.00% nickel 14.00-55.00% iron 1.50-5.00% aluminum LSD-3.00% titanium 0.01-0.20% boron 2. A wrought-metal product capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:
6 24.00-26.0% iron 2.753.50% aluminum 1.75-2.50% titanium 5.00-6.00% aluminum and titanium combined 0.04-0.08% boron Balance nickel 6. A sheet metal product capable of withstanding high and prolonged stress at elevated temperature consisting 1o essentially as follows:
0.05-0.20% carbon 0.10% (max.) manganese 0.60% (max.) silicon 14.00-17.00% chromium 4.006.00% molybdenum 24.00-26.00% iron 2.753.50% aluminum 1.75-2.50% titanium 5.00-6.00% aluminum and titanium combined 0.04-0.08% boron Balance nickel 0.03-0.30% carbon 0.00-1.00% silicon 0.00-1.00% manganese 7. A hot rolled sheet metal capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:
13.0017.00%chromium 4.00-6.00% molybdenum 24.0055.00% nickel l4.0055.00% iron LSD-5.00% aluminum 1.50-3.00% titanium 0.0l0.20% boron 3. The product of claim 2 which has been solution treated and aged.
4. A wrought-metal product capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:
0.03-0.30% carbon 13.00-17.00% chromium 4.00-6.00% .molybdenum 14.00-30.00% iron 1.50-5.00% aluminum LSD-3.00% titanium 0.04-0.20% boron Balance nickel 5. An alloy capable of being hot worked and withstanding high and prolonged stress at elevated tempera tureconsisting essentially as follows:
0.05-0.20% carbon 0.10% (max.) manganese 0.60% (max.) silicon 14.00l7.00% chromium 4.00-6.00% molybdenum ODS-0.30% carbon 13.00-17.00% chromium 4.006.00% molybdenum 14.0030.00% iron LSD-5.00% aluminum 1.50-2.50% titanium 0.04-0.20% boron Balance nickel 35 8. A wrought-metal product capable of withstanding high and prolonged stress at elevated temperature consisting essentially as follows:
0.03-O.30% carbon 13.00-17.00% chromium ADO-6.00% molybdenum 14.0030.00% iron LSD-5.00% aluminum 1.50-2.50% titanium 0.06-0.08% boron Balance nickel References Cited in the file of this patent UNITED STATES PATENTS 2,343,040 Allen et al. Feb. 29, 1944 2,661,284 Nisbet Dec. 1, 1953 2,668,536 Callaway et al. Sept. 7, 1954 FOREIGN PATENTS 632,712 Great Britain Dec. 5, 1949

Claims (2)

  1. 0.03-0.30% CARBON 0.00-1.00% SILICON 0.00-1.00% MANGANESE 13.00-17.00% CHROMIUM 4.00-6.00% MOLYBDENUM 24.00-55.00% NICKEL 14.00-55.00% IRON 1.50-5.00% ALUMINUM 1.50-3.00% TITANIUM 0.01-0.20% BORON
  2. 1. AN ALLOY CAPABLE OF BEING HOT WORKED AND WITHSTANDING HIGH AND PROLONGED STRESS AT ELEVATED TEMPERATURE CONSISTING ESSENTIALLY AS FOLLOWS:
US571377A 1956-03-14 1956-03-14 Wrought high temperature alloy Expired - Lifetime US2860968A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046108A (en) * 1958-11-13 1962-07-24 Int Nickel Co Age-hardenable nickel alloy
US3051565A (en) * 1960-04-29 1962-08-28 Allegheny Ludlum Steel Austenitic alloys
US3243287A (en) * 1962-09-14 1966-03-29 Crucible Steel Co America Hot strength iron base alloys
US3457066A (en) * 1959-04-10 1969-07-22 Gen Electric Nickel base alloy
US3844774A (en) * 1973-09-24 1974-10-29 Carondelet Foundry Co Corrosion-resistant alloys
US3993475A (en) * 1974-04-20 1976-11-23 Duraloy Blaw-Knox, Inc. Heat resisting alloys
EP0066365A3 (en) * 1981-04-20 1983-01-19 Howmet Turbine Components Corporation Nickel-chromium-iron alloy and castings thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2343040A (en) * 1942-12-18 1944-02-29 Driver Co Wilbur B Electrical resistance alloy
GB632712A (en) * 1947-01-17 1949-12-05 Int Nickel Co Improvements relating to heat-resisting alloys and to articles made from them
US2661284A (en) * 1951-06-27 1953-12-01 Gen Electric Precipitation hardenable iron base alloy
US2668536A (en) * 1952-11-14 1954-02-09 John R Farries Instrument for operating on mitral valves

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2343040A (en) * 1942-12-18 1944-02-29 Driver Co Wilbur B Electrical resistance alloy
GB632712A (en) * 1947-01-17 1949-12-05 Int Nickel Co Improvements relating to heat-resisting alloys and to articles made from them
US2661284A (en) * 1951-06-27 1953-12-01 Gen Electric Precipitation hardenable iron base alloy
US2668536A (en) * 1952-11-14 1954-02-09 John R Farries Instrument for operating on mitral valves

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046108A (en) * 1958-11-13 1962-07-24 Int Nickel Co Age-hardenable nickel alloy
US3457066A (en) * 1959-04-10 1969-07-22 Gen Electric Nickel base alloy
US3051565A (en) * 1960-04-29 1962-08-28 Allegheny Ludlum Steel Austenitic alloys
US3243287A (en) * 1962-09-14 1966-03-29 Crucible Steel Co America Hot strength iron base alloys
US3844774A (en) * 1973-09-24 1974-10-29 Carondelet Foundry Co Corrosion-resistant alloys
US3993475A (en) * 1974-04-20 1976-11-23 Duraloy Blaw-Knox, Inc. Heat resisting alloys
EP0066365A3 (en) * 1981-04-20 1983-01-19 Howmet Turbine Components Corporation Nickel-chromium-iron alloy and castings thereof
US4401622A (en) * 1981-04-20 1983-08-30 The International Nickel Co., Inc. Nickel-chromium-iron alloy

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