IT941057B - Espansione polare magnetica di polvere metallica e suo metodo di fabbricazione - Google Patents

Espansione polare magnetica di polvere metallica e suo metodo di fabbricazione

Info

Publication number
IT941057B
IT941057B IT9805/71A IT980571A IT941057B IT 941057 B IT941057 B IT 941057B IT 9805/71 A IT9805/71 A IT 9805/71A IT 980571 A IT980571 A IT 980571A IT 941057 B IT941057 B IT 941057B
Authority
IT
Italy
Prior art keywords
manufacturing
metallic powder
magnetic polar
polar expansion
expansion
Prior art date
Application number
IT9805/71A
Other languages
English (en)
Italian (it)
Original Assignee
Chromalloy American Corp
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 Chromalloy American Corp filed Critical Chromalloy American Corp
Application granted granted Critical
Publication of IT941057B publication Critical patent/IT941057B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
    • C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
    • C22C32/0026—Matrix based on Ni, Co, Cr or alloys thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/95—Consolidated metal powder compositions of >95% theoretical density, e.g. wrought
    • Y10S75/951—Oxide containing, e.g. dispersion strengthened

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
IT9805/71A 1970-12-29 1971-12-21 Espansione polare magnetica di polvere metallica e suo metodo di fabbricazione IT941057B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10236470A 1970-12-29 1970-12-29

Publications (1)

Publication Number Publication Date
IT941057B true IT941057B (it) 1973-03-01

Family

ID=22289456

Family Applications (1)

Application Number Title Priority Date Filing Date
IT9805/71A IT941057B (it) 1970-12-29 1971-12-21 Espansione polare magnetica di polvere metallica e suo metodo di fabbricazione

Country Status (6)

Country Link
US (1) US3739445A (enrdf_load_stackoverflow)
CH (1) CH560956A5 (enrdf_load_stackoverflow)
DE (1) DE2165098C3 (enrdf_load_stackoverflow)
FR (1) FR2120843A5 (enrdf_load_stackoverflow)
GB (1) GB1325248A (enrdf_load_stackoverflow)
IT (1) IT941057B (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638671B2 (enrdf_load_stackoverflow) * 1972-11-16 1981-09-08
SE376552B (enrdf_load_stackoverflow) * 1973-09-26 1975-06-02 Hoeganaes Ab
JPS5210819A (en) * 1975-06-12 1977-01-27 Kiyoshi Inoue Malleable high permeability alloy for high frequency
JPS5271311A (en) * 1975-12-11 1977-06-14 Nippon Musical Instruments Mfg Method of producing ironnsiliconnaluminium alloy
US4069043A (en) * 1976-01-19 1978-01-17 Carpenter Technology Corporation Wear-resistant shaped magnetic article and process for making the same
US4029501A (en) * 1976-01-26 1977-06-14 Rca Corporation Method of preparing improved magnetic head material
JPS5852554B2 (ja) * 1976-10-07 1983-11-24 潔 井上 高周波用可鍛性高透磁率合金
JPS54121108A (en) * 1978-03-13 1979-09-20 Akai Electric Mnnzn ferrite monocrystal magnetic head and method of fabricating same
US4532737A (en) * 1982-12-16 1985-08-06 Rca Corporation Method for lapping diamond
US4561892A (en) * 1984-06-05 1985-12-31 Cabot Corporation Silicon-rich alloy coatings
DE69014210T2 (de) * 1989-01-10 1995-06-22 Matsushita Electric Ind Co Ltd Magnetkopf und Herstellungsverfahren.
EP0401835B1 (en) * 1989-06-09 1997-08-13 Matsushita Electric Industrial Co., Ltd. A magnetic material
DE69028360T2 (de) * 1989-06-09 1997-01-23 Matsushita Electric Ind Co Ltd Verbundmaterial sowie Verfahren zu seiner Herstellung
US20130160492A1 (en) * 2011-12-23 2013-06-27 Guillermo R Villalobos Polished, hot pressed, net shape ceramics
JP6424754B2 (ja) * 2015-07-10 2018-11-21 トヨタ自動車株式会社 成形体の製造方法
WO2018037356A1 (en) 2016-08-23 2018-03-01 Medicem Ophthalmic (Cy) Limited Ophthalmic lenses with aspheric optical surfaces and method for their manufacture
CN107866570A (zh) * 2017-12-15 2018-04-03 东北大学 一种用于粉末冶金温压成形的设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661570A (en) * 1970-04-03 1972-05-09 Rca Corp Magnetic head material method

Also Published As

Publication number Publication date
DE2165098B2 (enrdf_load_stackoverflow) 1975-04-10
DE2165098C3 (de) 1975-11-20
US3739445A (en) 1973-06-19
FR2120843A5 (enrdf_load_stackoverflow) 1972-08-18
CH560956A5 (enrdf_load_stackoverflow) 1975-04-15
DE2165098A1 (de) 1972-07-06
GB1325248A (en) 1973-08-01

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