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1. 发明申请

US20070221298A1 Ni-based super alloy 审中-公开
标题翻译：镍基超合金
公开(公告)号：US20070221298A1
公开(公告)日：2007-09-27
申请号：US11723546
申请日：2007-03-20
申请人： Seiji Kurata , Shigeki Ueta , Tetsuya Shimizu
发明人： Seiji Kurata , Shigeki Ueta , Tetsuya Shimizu
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/055
摘要： The present invention provides a Ni-based super alloy including, by mass %, C: 0.01 to 0.15%; Si: 1% or less; Mn: 1% or less; P: 0.02% or less; S: 0.01% or less; Co: less than 0.10%; Cr: 16 to 22%; Mo: 4 to 10%; W: 5% or less; Al: 1.2 to 2.5%; Ti: 2.4 to 4%; B: 0.001 to 0.05%; Zr: 0.01 to 0.5%; Fe: 1% or less; and a balance of Ni and inevitable impurities.
摘要翻译：本发明提供以质量％计含有C：0.01〜0.15％的Ni系超合金。 Si：1％以下; Mn：1％以下; P：0.02％以下; S：0.01％以下; Co：小于0.10％; Cr：16〜22％ Mo：4〜10％ W：5％以下; Al：1.2〜2.5％ Ti：2.4〜4％ B：0.001〜0.05％ Zr：0.01〜0.5％ Fe：1％以下; 和Ni和不可避免的杂质的平衡。

2. 发明申请

US20060157171A1 Heat resistant alloy for exhaust valves durable at 900°C and exhaust valves made of the alloy 审中-公开
标题翻译： 900℃耐用的排气阀耐热合金和由合金制成的排气阀
公开(公告)号：US20060157171A1
公开(公告)日：2006-07-20
申请号：US11334583
申请日：2006-01-19
申请人： Shigeki Ueta , Seiji Kurata , Tetsuya Shimizu , Toshiharu Noda , Katsuhiko Tominaga , Makoto Asami
发明人： Shigeki Ueta , Seiji Kurata , Tetsuya Shimizu , Toshiharu Noda , Katsuhiko Tominaga , Makoto Asami
IPC分类号： C22C19/05 , C22F1/10
CPC分类号： C22C19/057 , B21K1/22 , C22C19/055 , C22F1/10 , F01L3/02 , F01L2101/00 , F01L2103/00
摘要： An exhaust valve for automobile engines, which is durable at such a high temperature as 900° C., and exhibits high fatigue strength and high oxidation resistance is disclosed. The exhaust valve is made of a Ni-based alloy consisting essentially of, by weight %. C: 0.01-0.15%, Si: up to 2.0%, Mn: up to 1.0%, P: up to 0.02%, S: up to 0.01%, Co: 0.1-15%, Cr: 15-25%, one or two of Mo: 0.1-10% and W: 0.1-5% in such amount that Mo+½ W; 3-10%, Al: 1.0-3.0%, Ti: 2.0-3.5%, provided that, by atomic %, Al+Ti: 6.3-8.5% and Ti/Al ratio: 0.4-0.8, and further, by weight %, B: 0.001-0.01%, Fe: up to 3%, and the balance of Ni and inevitable impurities by hot forging to give the form of an exhaust valve and subjecting to solid solution at 1000-1200° C. and aging at 700-950° C.
摘要翻译：公开了一种在900℃这样高的温度下耐用的汽车发动机用排气阀，具有高的疲劳强度和高抗氧化性。排气阀由基本上由重量％组成的Ni基合金制成。 C：0.01〜0.15％，Si：2.0％以下，Mn：1.0％以下，P：0.02％以下，S：0.01％以下，Co：0.1〜15％，Cr：15〜25％或Mo：0.1-10％和W：0.1-5％中的两种：Mo + 1 / W; 3-10％，Al：1.0-3.0％，Ti：2.0-3.5％，条件是原子％为Al + Ti：6.3-8.5％，Ti / Al比为0.4-0.8，进一步按重量％计，，B：0.001-0.01％，Fe：高达3％，通过热锻造得到Ni和不可避免的杂质的余量，得到排气阀的形式，并在1000-1200℃下进行固溶，并在700℃老化 -950℃

3. 发明授权

US06761853B2 Free-cutting tool steel 失效
标题翻译：自由切削工具钢
公开(公告)号：US06761853B2
公开(公告)日：2004-07-13
申请号：US10084495
申请日：2002-02-28
申请人： Kiyohito Ishida , Katsunari Oikawa , Toshimitsu Fujii , Yukinori Matsuda , Kozo Ozaki , Seiji Kurata , Takayuki Shimizu
发明人： Kiyohito Ishida , Katsunari Oikawa , Toshimitsu Fujii , Yukinori Matsuda , Kozo Ozaki , Seiji Kurata , Takayuki Shimizu
IPC分类号： C22C3860
CPC分类号： C22C38/48 , C22C38/001 , C22C38/06 , C22C38/10 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/18 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/50 , C22C38/52
摘要： A free-cutting tool steel is provided containing Fe and C in an amount of 0.1 to 2.5 wt %, Ti and or Zr where WTi+0.52WZr constitutes 0.03 to 3.5 wt %, and WTi represents Ti content and WZr represents Zr content, at least any one of S, Se and Te where WS+0.4WSe+0.25WTe constitutes 0.01 to 1.0 wt %, and (WTi+0.52WZr)/(WS+0.4WSe+0.25WTe) constitutes 1 to 4, and WS represents S content, WSe represents Se content and WTe represents Te content; and dispersed therein a texture thereof from 0.1 to 10% in terms of area ratio in a section of a machinability improving compound phase of a metallic element component of Ti and/or Zr as major components, and a binding component for the metallic element component containing C and any one of S, Se and Te.
摘要翻译：提供含有0.1〜2.5重量％的Fe和C的自由切削工具钢，其中WTi + 0.52WZr为0.03〜3.5重量％的Ti和Zr，WTi为Ti含量，WZr为Zr含量， WS + 0.4WSe + 0.25WTe构成0.01〜1.0重量％的S，Se和Te中的至少一个，（WTi + 0.52WZr）/（WS + 0.4WSe + 0.25WTe）构成1〜4，WS表示S 内容，WSe表示Se内容，WTe表示Te内容; 在作为主要成分的Ti和/或Zr的金属元素成分的切削性提高化合物相的截面中以面积比计，其构成为0.1〜10％，含有金属元素成分的结合成分含有 C和S，Se和Te中的任何一个。

4. 发明申请

US20070110610A1 Hot work tool steel and mold member excellent resistance to melting loss 审中-公开
标题翻译：热加工工具钢和模具构件具有优异的抗熔融损失
公开(公告)号：US20070110610A1
公开(公告)日：2007-05-17
申请号：US10583783
申请日：2003-12-19
申请人： Seiji Kurata , Toshimitsu Fujii
发明人： Seiji Kurata , Toshimitsu Fujii
IPC分类号： C22C38/22
CPC分类号： B22D17/2209 , B22C9/061 , B22D21/007 , C21D8/021 , C21D8/0426 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/16 , C22C38/22 , C22C38/24 , C22C38/30 , C22C38/38 , C22C38/44 , C22C38/46 , C22C38/60 , C23C8/26 , C23C8/32 , C23C8/38 , C23C8/50 , C23C8/56 , C23C30/00
摘要： A hot work tool steel having a chemical composition in wt %: C: 0.10 to 0.35%, Si: less than 0.80%, Mn: 3.0% or less, Cr: 2.0% or more and less than 7.0%, N: more than 0.05% and 0.50% or less, O: 0.0100% or less, P: 0.050% or less, Al: 0.050% or less, with the proviso that ½W+Mo: 0.3 to 5.0%, C+N: 0.20 to 0.60% and C/N: 6 or less, and the balance: substantially Fe, and optionally V: 0.01 to 0.5%. The hot work tool steel exhibits excellent resistance to melting, while retaining good toughness and good resistance to heat checking.
摘要翻译：化学成分为C：0.10〜0.35％，Si：小于0.80％，Mn：3.0％以下，Cr：2.0％以上且小于7.0％的热加工工具钢，N： 0.05％和0.50％以下，O：0.0100％以下，P：0.050％以下，Al：0.050％以下，条件是1 / W + Mo：0.3〜5.0％，C + N：0.20〜0.60％和C / N：6以下，余量：实质上为Fe，V为0.01〜0.5％。热加工工具钢表现出优异的耐熔融性，同时保持良好的韧性和良好的耐热性。

5. 发明申请

US20090165595A1 Hard-particle powder for sintered body and sintered body 有权
标题翻译：用于烧结体和烧结体的硬质颗粒粉末
公开(公告)号：US20090165595A1
公开(公告)日：2009-07-02
申请号：US12314945
申请日：2008-12-19
申请人： Tomomi Yamamoto , Seiji Kurata
发明人： Tomomi Yamamoto , Seiji Kurata
IPC分类号： C22C19/07 , B22F1/00
CPC分类号： F01L3/02 , B22F2998/10 , B22F2999/00 , C22C1/0433 , C22C19/07 , C22C33/0278 , F01L2101/00 , F16K1/42 , F16K25/005 , B22F3/02 , B22F3/1021 , B22F3/1007 , B22F2201/016
摘要： The invention provides a hard-particle powder for sintered body, which contains, by mass %, 2% to 3.5% of Si, 6% to 10% of Cr, 20% to 35% of Mo, 0.01% to 0.5% of REM, and the remainder being Co and unavoidable impurities. The invention further provides a sintered body obtained through a mixing step of mixing the above-mentioned hard-particle powder for sintered body with a pure iron powder and a graphite powder to obtain a powder mixture, a forming step of compacting the powder mixture to obtain a compact, and a sintering step of sintering the compact. The hard-particle powder according to the invention has the effect of giving a sintered body having improved wear resistance without substantially impairing powder characteristics and sintering characteristics. Additionally, the sintered body according to the invention has the effect of having excellent wear resistance.
摘要翻译：本发明提供一种烧结体用硬质粉末，其以质量％计含有2％〜3.5％的Si，6％〜10％的Cr，20％〜35％的Mo，0.01％〜0.5％的REM ，其余为Co和不可避免的杂质。本发明还提供一种通过将上述烧结体用硬质粉末与纯铁粉末和石墨粉末混合以获得粉末混合物的混合步骤获得的烧结体，将粉末混合物压实成型步骤压实和烧结步骤。根据本发明的硬质颗粒粉末具有赋予具有改善的耐磨性的烧结体，而不会明显损害粉末特性和烧结特性。此外，根据本发明的烧结体具有优异的耐磨性。

6. 发明授权

US07867315B2 Hard-particle powder for sintered body and sintered body 有权
标题翻译：用于烧结体和烧结体的硬质颗粒粉末
公开(公告)号：US07867315B2
公开(公告)日：2011-01-11
申请号：US12314945
申请日：2008-12-19
申请人： Tomomi Yamamoto , Seiji Kurata
发明人： Tomomi Yamamoto , Seiji Kurata
IPC分类号： B22F1/00 , B22F3/00
CPC分类号： F01L3/02 , B22F2998/10 , B22F2999/00 , C22C1/0433 , C22C19/07 , C22C33/0278 , F01L2101/00 , F16K1/42 , F16K25/005 , B22F3/02 , B22F3/1021 , B22F3/1007 , B22F2201/016
摘要： The invention provides a hard-particle powder for sintered body, which contains, by mass %, 2% to 3.5% of Si, 6% to 10% of Cr, 20% to 35% of Mo, 0.01% to 0.5% of REM, and the remainder being Co and unavoidable impurities. The invention further provides a sintered body obtained through a mixing step of mixing the above-mentioned hard-particle powder for sintered body with a pure iron powder and a graphite powder to obtain a powder mixture, a forming step of compacting the powder mixture to obtain a compact, and a sintering step of sintering the compact. The hard-particle powder according to the invention has the effect of giving a sintered body having improved wear resistance without substantially impairing powder characteristics and sintering characteristics. Additionally, the sintered body according to the invention has the effect of having excellent wear resistance.
摘要翻译：本发明提供一种烧结体用硬质粉末，其以质量％计含有2％〜3.5％的Si，6％〜10％的Cr，20％〜35％的Mo，0.01％〜0.5％的REM ，其余为Co和不可避免的杂质。本发明还提供一种通过将上述烧结体用硬质粉末与纯铁粉末和石墨粉末混合以获得粉末混合物的混合步骤获得的烧结体，将粉末混合物压实成型步骤压实和烧结步骤。根据本发明的硬质颗粒粉末具有赋予具有改善的耐磨性的烧结体，而不会明显损害粉末特性和烧结特性。此外，根据本发明的烧结体具有优异的耐磨性。

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