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WO2008033789A3 - Method of measuring fiber length for long fiber reinforced thermoplastic composites - Google Patents

Method of measuring fiber length for long fiber reinforced thermoplastic composites Download PDF

Info

Publication number
WO2008033789A3
WO2008033789A3 PCT/US2007/078090 US2007078090W WO2008033789A3 WO 2008033789 A3 WO2008033789 A3 WO 2008033789A3 US 2007078090 W US2007078090 W US 2007078090W WO 2008033789 A3 WO2008033789 A3 WO 2008033789A3
Authority
WO
WIPO (PCT)
Prior art keywords
reinforced thermoplastic
measuring
thermoplastic composites
fiber reinforced
fiber length
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.)
Ceased
Application number
PCT/US2007/078090
Other languages
French (fr)
Other versions
WO2008033789A2 (en
Inventor
Jacqueline Marie Ayotte
Dieter Rolf Bund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ticona LLC
Original Assignee
Ticona LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ticona LLC filed Critical Ticona LLC
Publication of WO2008033789A2 publication Critical patent/WO2008033789A2/en
Publication of WO2008033789A3 publication Critical patent/WO2008033789A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/44—Resins; Plastics; Rubber; Leather
    • G01N33/442—Resins; Plastics
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture
    • G06T7/41—Analysis of texture based on statistical description of texture
    • G06T7/44—Analysis of texture based on statistical description of texture using image operators, e.g. filters, edge density metrics or local histograms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10056—Microscopic image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30124—Fabrics; Textile; Paper

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Probability & Statistics with Applications (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

A method of measuring fiber length distribution in a long fiber reinforced thermoplastic composite includes liberating the fiber from the composite by thermally decomposing the polymer followed by optical analysis capable of resolving fiber clusters and accounting for curved fibers, in particular using the Hough transform.
PCT/US2007/078090 2006-09-11 2007-09-11 Method of measuring fiber length for long fiber reinforced thermoplastic composites Ceased WO2008033789A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82520006P 2006-09-11 2006-09-11
US60/825,200 2006-09-11

Publications (2)

Publication Number Publication Date
WO2008033789A2 WO2008033789A2 (en) 2008-03-20
WO2008033789A3 true WO2008033789A3 (en) 2008-07-24

Family

ID=39167773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/078090 Ceased WO2008033789A2 (en) 2006-09-11 2007-09-11 Method of measuring fiber length for long fiber reinforced thermoplastic composites

Country Status (1)

Country Link
WO (1) WO2008033789A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PA8851701A1 (en) * 2008-12-03 2010-07-27 Sanofi Aventis TREATMENT FOR GLOMERULONEFRITIS
US20170227473A1 (en) * 2014-06-20 2017-08-10 Atomic Energy Of Canada Limited / Énergie Atomique Du Canada Limitée Photographic methods of quantification for water and debris mixtures
CN108303522B (en) * 2018-01-05 2019-08-20 华南理工大学 A kind of short fiber reinforced composite fiber length distribution quantitative evaluating method
WO2024194225A1 (en) 2023-03-17 2024-09-26 Solvay Specialty Polymers Usa, Llc Polyamide molding composition with enhanced fire resistance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030205508A1 (en) * 2002-05-03 2003-11-06 Charles Weber Process and apparatus for determination of fiber length in reinforced thermoplastic composites

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030205508A1 (en) * 2002-05-03 2003-11-06 Charles Weber Process and apparatus for determination of fiber length in reinforced thermoplastic composites

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "FASEP Faserseparation", INTERNET ARTICLE, 13 July 2007 (2007-07-13), XP002474800, Retrieved from the Internet <URL:http://www.fasep.de> [retrieved on 20080319] *
GUPTA V B ET AL: "Some studies on glass fiber-reinforced polypropylene. I. Reduction in fiber length during processing", POLYMER COMPOSITES, vol. 10, no. 1, February 1989 (1989-02-01), pages 8 - 15, XP002474796, ISSN: 0272-8397 *
KUMAR S K ET AL: "Mechanical properties of injection molded long fiber polypropylene composites, part 1: tensile and flexural properties", POLYMER COMPOSITES, vol. 28, no. 2, April 2007 (2007-04-01), pages 259 - 266, XP002474801, ISSN: 0272-8397 *
VON TURKOVICH R ET AL: "Fiber fracture in reinforced thermoplastic processing", POLYMER ENGINEERING AND SCIENCE, vol. 23, no. 13, September 1983 (1983-09-01), pages 743 - 749, XP002474799, ISSN: 0032-3888 *
WETHERHOLD R C ET AL: "Prediction of thermoelastic properties in short-fiber composites using image analysis techniques", COMPOSITES SCIENCE AND TECHNOLOGY, vol. 37, no. 4, 1990, pages 393 - 410, XP002474797, ISSN: 0266-3538 *
YURGARTIS S W ET AL: "Describing fiber spatial distribution in unidirectional composite materials", JOURNAL OF COMPUTER-ASSISTED MICROSCOPY, vol. 3, no. 3, September 1991 (1991-09-01), pages 117 - 125, XP009098025, ISSN: 1040-7286 *

Also Published As

Publication number Publication date
WO2008033789A2 (en) 2008-03-20

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