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11. 发明专利

JPS60180692A WELDING METHOD OF FERRITIC STAINLESS STEEL AND NICKEL METAL 失效
公开(公告)号：JPS60180692A
公开(公告)日：1985-09-14
申请号：JP26752684
申请日：1984-12-20
申请人： SHOWA DENKO KK
发明人： ASAKAWA ISAMU , MORIMURA TOSHIO
IPC分类号： B23K9/23 , B23K35/00 , B23K35/30
摘要： PURPOSE:To improve corrosion resistance by welding respectively a specifically composed ferritic stainless steel and Ni metal via a specifically composed welding member by using a filler metal. CONSTITUTION:A ferritic stainless steel 1 contg. 25-35% Cr and an Ni metal 2 contg.

12. 发明专利

JPS60103169A COMPOSITE POWDER FOR THERMAL SPRAYING 失效
公开(公告)号：JPS60103169A
公开(公告)日：1985-06-07
申请号：JP21090383
申请日：1983-11-11
申请人： SHOWA DENKO KK
发明人： KAWAMURA NOBUHIKO , ASAKAWA ISAMU , SHIYOUJI TAKASHI
IPC分类号： B22F1/00 , C22C29/08 , C23C4/06
摘要： PURPOSE:To provide composite powder for thermal spraying which provides excellent resistance to abrasive wear under ordinary thermal spraying conditions by consisting the powder of sintered power consisting of specifically composed Co or Ni and WC and Co- or Ni-base alloy powder and specifying the compsn. thereof. CONSTITUTION:WC sintered powder consisting of WC grain a1 and metallic grain a2 is obtd. by mixing 75-96wt% WC powder and 4-25% Co and/or Ni powder, adding an org. binder such as water soluble polymer to the mixture, granulating the mixture and sintering the granules at about 950-1,500 deg.C in a non-oxidizing atmosphere after drying. The composite powder consolidated by enclosing the above-described WC sintered powder (a) with the above-mentioned alloy powder (b) is obtd. by mixing 40-90% the above-mentioned WC sintered powder and 60-10% Co and/or Ni-base alloy powder, adding the org. binder thereto and granulating the mixture then sintering or drying the granules. The thermally sprayed film in which the individual layers of the composite powder are securely bound to each other by the Co and Ni-base alloy and the WC powder is securely held and which is highly resistant to abrasive wear is formed by spraying thermally the above-mentioned composite powder.

13. 发明专利

JPS6033364A HEARTH ROLL FOR HEAT TREATING FURNACE AND PREPARATION THEREOF 失效
公开(公告)号：JPS6033364A
公开(公告)日：1985-02-20
申请号：JP14090583
申请日：1983-08-01
申请人： KOUEI SEIKOU KK , SHOWA DENKO KK
发明人： YASUTAKE RIYOUSUKE , MORIMURA TOSHIO , SHIRAI KATSUYUKI , ASAKAWA ISAMU
IPC分类号： C21D1/00 , C23C4/06 , C23C30/00
摘要： PURPOSE:To prepare a hearth roll for a heat treating furnace prevented from scale adhesion, by coating the peripheral surface of the barrel part of the hearth roll with a composite material formed of a TiC or Cr3C2 powder and an alloy powder based on Ni or Co. CONSTITUTION:In a hearth roll 1 consisting of a shaft part 1a and a barrel part 1b, the peripheral surface of the barrel part 1b is subjected to air blast treatment and a film 2, which consists of an under coat 2a comprising a Ni-Cr alloy and a top coat 2b comprising a composite material excellent in heat resistance based on TiC or Cr3C2 and Ni or Co, is formed to the treated barrel part 1b. T The above mentioned composite material is formed by a method wherein a fine TiC or Cr3C2 powder with a particle size of 20mum or less and a fine alloy powder based on Ni or Co with the same particle size are granulated to form a composite powder which is, in turn, plasma sprayed. By this method, a hearth roll for a heat treating furnace, which can be prevented from scale adhesion and is excellent in wear resistance and thermal impact resistance, is obtained.

14. 发明专利

JPS59205465A Composite powder for plasma flame spraying 失效
标题翻译：用于等离子火焰喷涂的复合粉末
公开(公告)号：JPS59205465A
公开(公告)日：1984-11-21
申请号：JP7802583
申请日：1983-05-02
申请人： Showa Denko Kk
发明人： ASAKAWA ISAMU , SHIYOUJI TAKASHI , KAWAMURA NOBUHIKO
IPC分类号： C23C4/06
CPC分类号： C23C4/067
摘要： PURPOSE:To enable the formation of a plasma spraying film having excellent abrasion resistance and baking resistance equal to that of an alloy powder, by the titled powder obtained by mutually bonding a low carbon ferrochrome fine particle and a metal molybdenum fine particle in a specific ratio without alloying either of them. CONSTITUTION:This composite powder for plasma spraying is one of which the indivisual particle is constituted by mutually bonding a low carbon ferrochrome fine particle and a metal molybdenum or low carbon ferromolybdenum fine particle without alloying both of them. In this case, the content of the metal molybdenum or low carbon feromolybdenum to the total wt. of the aforementioned powder is adjusted to 10-80wt%. By using this composite powder for plasma spraying, the molybdenum componential particle and the chromium componential particle are partially and mutually melted without separating both of them and a hard film with molybdenum uniformly dispersed therein is formed.
摘要翻译：目的：为了形成等离子体喷涂膜，其具有与合金粉末相同的耐磨性和耐烘烤性能，通过将低碳铬铁细颗粒和金属钼微粒以特定比例相互粘合而获得的标题粉末没有合金化。构成：该等离子体喷涂用复合粉体是通过将低碳铬铁细颗粒和金属钼或低碳钼铁微粒彼此相互结合而不使其合金化而构成的单一颗粒之一。在这种情况下，金属钼或低碳钼钼的含量为总重量。的上述粉末调节为10-80wt％。通过使用这种复合粉末进行等离子喷涂，钼组分颗粒和铬组分颗粒部分地并相互融合，而不分离它们，并形成均匀分散有钼的硬膜。

15. 发明专利

JPS5984596A METHOD OF FORMING ELECTRIC CIRCUIT 失效
公开(公告)号：JPS5984596A
公开(公告)日：1984-05-16
申请号：JP19555282
申请日：1982-11-08
申请人： SHOWA DENKO KK
发明人： WAKAMATSU SABUROU , ASAKAWA ISAMU
IPC分类号： H05K3/14

16. 发明专利

JPS55113858A CHROMIUMMNICKEL TYPE ALLOY FOR CAUSTIC ALKALI SOLUTION 失效
公开(公告)号：JPS55113858A
公开(公告)日：1980-09-02
申请号：JP2073579
申请日：1979-02-26
申请人： SHOWA DENKO KK
发明人： ASAKAWA ISAMU , MORIMURA TOSHIO
IPC分类号： C22C19/05 , C22C27/06
摘要： PURPOSE:To enhance the corrosion resistance of an apparatus for treating or storing a caustic alkali soln. to the soln. and the wear resistance thereof by manufacturing the apparatus using a Cr-Ni-Fe alloy. CONSTITUTION:In order to protect a caustic soda producting equipment or apparatus from corrosion due to NaOH, NaClO3, NaCl, etc. and abrasion it is manufactured using a Cr-Ni-Fe alloy having a compsn. consisting of Cr 35-75%, Ni 25-65%, Fe

17. 发明专利

JPH0515781B2 失效
公开(公告)号：JPH0515781B2
公开(公告)日：1993-03-02
申请号：JP4740085
申请日：1985-03-12
申请人： SHOWA DENKO KK
发明人： ASAKAWA ISAMU , MACHIDA YOSHIO , SHIRAI KATSUYUKI
IPC分类号： C23C4/10 , C23C4/02 , C23C4/06

18. 发明专利

JPH0118989B2 失效
公开(公告)号：JPH0118989B2
公开(公告)日：1989-04-10
申请号：JP13656981
申请日：1981-08-31
申请人： SHOWA DENKO KK
发明人： ASAKAWA ISAMU , SAITO HIROSHI
IPC分类号： C22C19/00 , C23C4/06 , C23C4/08

19. 发明专利

JPS622920B2 失效
公开(公告)号：JPS622920B2
公开(公告)日：1987-01-22
申请号：JP26752684
申请日：1984-12-20
申请人： SHOWA DENKO KK
发明人： ASAKAWA ISAMU , MORIMURA TOSHIO
IPC分类号： B23K9/23 , B23K35/00 , B23K35/30

20. 发明专利

JPS6123074B2 JPS6123074B2 - 失效
公开(公告)号：JPS6123074B2
公开(公告)日：1986-06-04
申请号：JP3841379
申请日：1979-04-02
申请人： Showa Denko Kk
发明人： ASAKAWA ISAMU , MORIMURA TOSHIO
IPC分类号： C22C19/05 , B23K9/23 , B23K35/00 , B23K35/30 , C22C30/00 , C22C38/00 , C23C10/28
CPC分类号： B23K35/004

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