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Process for fabricating articles of tungsten-nickel-iron alloy 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B22F-003/16
  • B22F-003/24
출원번호 US-0614458 (1975-09-18)
발명자 / 주소
  • Northcutt
  • Jr. Walter G. (Oak Ridge TN) Snyder
  • Jr. William B. (Knoxville TN)
출원인 / 주소
  • The United States of America as represented by the United States Energy Research and Development Administration (Washington DC 06)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록 ▼

A high density W－Ni－Fe alloy of composition 85-96% by weight W and the remainder Ni and Fe in a wt. ratio of 5:5-8:2 having enhanced mechanical properties is prepared by compacting the mixed powders, sintering the compact in reducing atmosphere to near theoretical density followed by further sinteri

대표청구항 ▼

A method of fabricating articles of W－Ni－Fe alloy comprising: a. providing a uniformly blended mixed powder of 85-96% by weight W and the remainder Ni and Fe in a Ni－Fe weight ratio of 5:5-8:2, b. pressing said powder into a compact, c. sintering said compact in reducing atmosphere at a temperature

이 특허를 인용한 특허 (39)

  1. Feldmann Fritz K. (460 Ward Dr. ; Ste. E Santa Barbara CA 93111), Anti-material projectile.
    상세보기
  2. Montier Patrick (Bourges FRX) Sauvestre Jean-Claude (St. Doulchard FRX) Bethmann Karl W. (Moers DEX) Bisping Bernhard (Ratingen DEX) Wallow Peter (Dsseldorf DEX), Armor penetrating projectile.
    상세보기
  3. Luther Hans-Werner (Kaarst DEX) Sabranski Udo (Willich DEX), Armored-piercing projectile (penetrator).
    상세보기
  4. Amick, Darryl D., Ductile medium- and high-density, non-toxic shot and other articles and method for producing the same.
    상세보기
  5. Amick, Darryl D., Ductile medium- and high-density, non-toxic shot and other articles and method for producing the same.
    상세보기
  6. Amick,Darryl D., Ductile medium-and high-density, non-toxic shot and other articles and method for producing the same.
    상세보기
  7. Becker Wilfried (Duesseldorf DEX) Bisping Bernhard (Ratingen DEX), Explosive and incendiary projectile.
    상세보기
  8. Hong Moon Hee,KRX ; Baek Woon Hyung,KRX ; Noh Joon Woong,KRX ; Song Heung Sub,KRX ; Lee Seong,KRX ; Kim Eun Pyo,KRX, Fabrication method for tungsten heavy alloy.
    상세보기
  9. Theis Ulrich (Mlheim DEX), Form-locking means, material for forming same and process for arranging the form-locking means in the peripheral region.
    상세보기
  10. Morse, Joseph Franklin; Nauman, Ralph; Nichols, Robert Charles, Frangible firearm projectiles, methods for forming the same, and firearm cartridges containing the same.
    상세보기
  11. Mullendore James A. (Towanda PA) Reiman Scott K. (Auburn Heights MI) Kegel Andrew J. (Ulster PA), Frangible tungsten penetrator.
    상세보기
  12. Penrice Thomas W. (Mt. Juliet TN), Hardened penetrators.
    상세보기
  13. Wei,Tim T.; Tian,Luguang, High density nontoxic projectiles and other articles, and methods for making the same.
    상세보기
  14. Wei,Tim T.; Tian,Luguang, High density nontoxic projectiles and other articles, and methods for making the same.
    상세보기
  15. Penrice Thomas W. (Juliet TN) Bost James (Mt. Juliet TN), High density tungsten alloy sheet.
    상세보기
  16. Leidel, David J.; Lawson, James Phillip, High performance powdered metal mixtures for shaped charge liners.
    상세보기
  17. Leidel, David J.; Lawson, James Phillip, High performance powdered metal mixtures for shaped charge liners.
    상세보기
  18. Song Heung Sub,KRX ; Kim Eun Pyo,KRX ; Lee Seong,KRX ; Noh Joon Woong,KRX ; Hong Moon Hee,KRX ; Baek Woon Hyung,KRX, Irregular shape change of tungsten/matrix interface in tungsten based heavy alloys.
    상세보기
  19. Becker Wilfried (Duesseldorf DEX) Bisping Bernhard (Ratingen DEX), Kinetic-energy projectile having a large length to diameter ratio.
    상세보기
  20. Taal, Cornelis; Oudelhoven, Rene; Vagedes, Michael; Lenz, Uta, Method for producing a penetrator.
    상세보기
  21. Spencer James R. (Sayre PA) Mullendore James A. (Towanda PA), Method for producing improved tungsten nickel iron alloys.
    상세보기
  22. Amick, Darryl D., Methods for producing medium-density articles from high-density tungsten alloys.
    상세보기
  23. Amick,Darryl D., Methods for producing medium-density articles from high-density tungsten alloys.
    상세보기
  24. Amick, Darryl D., Pressing process for tungsten articles.
    상세보기
  25. Brunisholz Laurent (Saint Pierre en Faucigny FRX) Nicolas Guy (Bonneville FRX), Process for reducing the disparities in mechanical values of tungsten-nickel-iron alloys.
    상세보기
  26. Madsac Michel (Sceaux FRX), Process for sintering powdered material in a continuous furnace.
    상세보기
  27. Wei, Tim T., Projectiles for shotgun shells and the like, and methods of manufacturing the same.
    상세보기
  28. Griffin Nigel D. (Whitminster GB2), Relating to cutter assemblies for rotary drill bits.
    상세보기
  29. Sorensen, Michael Clifford; Nauman, Ralph, Shot shells with performance-enhancing absorbers.
    상세보기
  30. Sorensen, Michael Clifford; Nauman, Ralph, Shot shells with performance-enhancing absorbers.
    상세보기
  31. Sorensen, Michael Clifford; Nauman, Ralph, Shot shells with performance-enhancing absorbers.
    상세보기
  32. Schmidberger Rainer (Reussenbachstrasse 33 7778 Markdorf DEX) Hrdtle Sylvia (Bernhardstrasse 43/2 7778 Markdorf DEX), Sintering process.
    상세보기
  33. Amick,Darryl D., System and method for processing ferrotungsten and other tungsten alloys, articles formed therefrom and methods for detecting the same.
    상세보기
  34. Kapoor, Deepak, Tungsten alloys for penetrator application and method of making the same.
    상세보기
  35. Amick, Darryl D., Tungsten-containing articles and methods for forming the same.
    상세보기
  36. Amick,Darryl D., Tungsten-containing articles and methods for forming the same.
    상세보기
  37. Amick,Darryl D., Tungsten-containing articles and methods for forming the same.
    상세보기
  38. Amick,Darryl D., Tungsten-containing firearm slug.
    상세보기
  39. Artig,Christopher F.; Salmon,Deborah L., X-ray tube and method of manufacture.
    상세보기

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