Method of preparing sintered products having high tensile strength and high impact strength
    1.
    发明授权
    Method of preparing sintered products having high tensile strength and high impact strength 失效
    制备具有高拉伸强度和高冲击强度的烧结产品的方法

    公开(公告)号:US06261514B1

    公开(公告)日:2001-07-17

    申请号:US09584104

    申请日:2000-05-31

    IPC分类号: B22F312

    CPC分类号: C22C33/0264 C22C33/02

    摘要: The invention concerns a method of preparing sintered products having high tensile strength and high impact strength comprising the steps of forming a mixture by mixing an iron powder including 1-4% by weight of Cr, 0.2-0.8% by weight of Mo 0.09-0.3% by weight % of Mn, less than 0.01% of C, less than 0.25% by weight of O, 0-1.2% of graphite, a high temperature lubricant and optionally an organic binder; preparing a heated powder composition by heating the mixture to a temperature above ambient temperature; transferring the heated powder composition to a preheated die; forming a compacted body by compacting the heated powder composition in the die at an elevated temperature; and forming a sintered product by sintering the compacted body at a temperature of at least 1220° C.

    摘要翻译: 本发明涉及一种制备具有高拉伸强度和高冲击强度的烧结产品的方法,包括以下步骤:通过将包含1-4重量%的Cr,0.2-0.8重量%的Mo 0.09-0.3的铁粉混合来形成混合物 Mn的重量%,小于0.01%的C,小于0.25重量%的O,0-1.2%的石墨,高温润滑剂和任选的有机粘合剂; 通过将混合物加热至高于环境温度的温度来制备加热的粉末组合物; 将加热的粉末组合物转移到预热模具中; 通过在升高的温度下压缩模具中的加热的粉末组合物来形成压实体; 并通过在至少1220℃的温度下烧结压实体来形成烧结产品。

    Manganese containing materials having high tensile strength
    2.
    发明授权
    Manganese containing materials having high tensile strength 失效
    含锰材料具有较高的拉伸强度

    公开(公告)号:US5969276A

    公开(公告)日:1999-10-19

    申请号:US836518

    申请日:1997-05-19

    申请人: Caroline Lindberg

    发明人: Caroline Lindberg

    CPC分类号: C22C33/0264

    摘要: The invention concerns an iron-based powder for powder-metallurgically producing components by powder compacting and sintering. The powder contains 0.25-2.0% by weight of Mo, 1.2-3.5% by weight of Mn, 0.5-1.75% by weight of Si and 0.2-1.0% by weight of C and not more than 2% by weight of impurities including less than 0.25% by weight of Cu. The invention also includes a method for preparing sintered components from this iron powder, as well as the sintered products.

    摘要翻译: PCT No.PCT / SE95 / 01377 Sec。 371日期1997年5月19日 102(e)日期1997年5月19日PCT提交1995年11月21日PCT公布。 第WO96 / 16759号公报 日期1996年6月6日本发明涉及通过粉末压制和烧结来粉末冶金制造组分的铁基粉末。 该粉末含有0.25-2.0重量%的Mo,1.2-3.5重量%的Mn,0.5-1.75重量%的Si和0.2-1.0重量%的C和不大于2重量%的包括少量的杂质 超过0.25重量%的Cu。 本发明还包括从该铁粉制备烧结组分的方法以及烧结产品。

    Iron-based powder composition having good dimensional stability after
sintering
    3.
    发明授权
    Iron-based powder composition having good dimensional stability after sintering 失效
    铁基粉末组合物在烧结后具有良好的尺寸稳定性

    公开(公告)号:US5567890A

    公开(公告)日:1996-10-22

    申请号:US162101

    申请日:1993-12-10

    CPC分类号: C22C33/0264

    摘要: An iron-based powder for producing highly resistant components with a small local variation in dimensional change, by powder compacting and sintering. The powder contains, in addition to Fe, 0.5-4.5% by weight Ni, 0.65-2.25% by weight Mo and 0.35-0.65% by weight C, and optionally a lubricant and impurities. The maximum variation in dimensional change is 0.07% for a minimum density of 6.7 g/cm.sup.3.

    摘要翻译: PCT No.PCT / SE92 / 00399 Sec。 371日期:1993年12月10日 102(e)日期1993年12月10日PCT提交1992年6月12日PCT公布。 第WO92 / 22395号公报 日期1992年12月23日一种用于生产尺寸变化小的局部变化的高抗性组分的铁基粉末,通过粉末压实和烧结。 该粉末除了Fe之外还含有0.5-4.5重量%的Ni,0.65-2.25重量%的Mo和0.35-0.65重量%的C,以及任选的润滑剂和杂质。 最小密度为6.7g / cm3时,尺寸变化的最大变化为0.07%。

    Iron based powder containing Mo, P and C
    4.
    发明授权
    Iron based powder containing Mo, P and C 失效
    含有Mo,P和C的铁基粉末

    公开(公告)号:US5918293A

    公开(公告)日:1999-06-29

    申请号:US737517

    申请日:1996-11-12

    CPC分类号: C22C33/0264

    摘要: An iron-based powder for producing components by powder compacting and sintering consists essentially of 0.6-2.0% by weight of Mo, 0.2-0.8% by weight of P, 0-2% by weight of Cu, 0-0.3% by weight of Mn, 0.2-0% by weight of C, and not more than 1 % by weight of inevitable impurities.

    摘要翻译: PCT No.PCT / SE95 / 00576 Sec。 371日期:1996年11月12日 102(e)日期1996年11月12日PCT提交1995年5月23日PCT公布。 第WO95 / 32827号公报 日期1995年12月7日通过粉末压制和烧结制备组分的铁基粉末基本上由0.6-2.0重量%的Mo,0.2-0.8重量%的P,0-2重量%的Cu, 0.3重量%的Mn,0.2-0重量%的C和不超过1重量%的不可避免的杂质。

    Iron based powder, component produced therefrom and method of producing
the component
    5.
    发明授权
    Iron based powder, component produced therefrom and method of producing the component 失效
    铁基粉末,由其制备的组分及其制备方法

    公开(公告)号:US5728238A

    公开(公告)日:1998-03-17

    申请号:US302088

    申请日:1994-09-06

    IPC分类号: C22C33/02 B22F1/00

    CPC分类号: C22C33/0264

    摘要: An iron-based powder for producing impact-resistant components by powder compacting and sintering contains, in addition to Fe, 0.3-0.7% by weight of P, 0.3-3.5% by weight of Mo, and not more than 2% by weight of other alloying elements. A method of powder-metallurgically producing impact-resistant steel components comprises using an iron-based powder which, in addition to Fe, contains 0.3-0.7% by weight of P, preferably 0.35-0.65% by weight of P, 0.3-3.5% by weight of Mo, preferably 0.5-2.5% by weight of Mo, and not more than 2% by weight, preferably not more than 1% by weight, of other alloying elements; compacting the powder into the desired shape; and sintering the compact.

    摘要翻译: 通过粉末压制和烧结制造耐冲击成分的铁基粉末除了Fe之外还含有0.3-0.7重量%的P,0.3-3.5重量%的Mo和不多于2重量%的 其他合金元素。 一种粉末冶金制造耐冲击钢组件的方法包括使用除Fe之外含有0.3-0.7重量%的P,优选为0.35-0.65重量%的P为0.3-3.5重量%的铁基粉末, 的Mo,优选为0.5-2.5重量%的Mo,不超过2重量%,优选不超过1重量%的其它合金元素; 将粉末压实成所需的形状; 并烧结成型。

    Iron-based powder containing chromium, molybdenum and manganese
    6.
    发明授权
    Iron-based powder containing chromium, molybdenum and manganese 失效
    含有铬,钼和锰的铁基粉末

    公开(公告)号:US5703304A

    公开(公告)日:1997-12-30

    申请号:US776821

    申请日:1997-02-06

    CPC分类号: C22C33/0264

    摘要: The invention concerns an iron-based powder for powder-metallurgically producing components by powder compacting and sintering. The powder which essentially consists of 0.7-2.0% of Mo, 0.2-2.5% by weight of Cr and 0-3.0% by weight of Cu, 0.05-0.25% by weight of Mn and 0.3-1.0% by weight of C, wherein Fe, Mo and Mn are present as a prealloyed, water atomised FeMoMn base powder, Cr is present as FeCr, Cu is present as a metal or partially prealloyed powder and C is present as a graphite, exhibits very interesting properties. The invention also includes a method for preparing sintered components from this iron powder.

    摘要翻译: PCT No.PCT / SE95 / 00917 Sec。 371日期1997年2月6日 102(e)日期1997年2月6日PCT提交1995年8月10日PCT公布。 公开号WO96 / 05007 日期1996年2月22日本发明涉及通过粉末压制和烧结来粉末冶金制造组分的铁基粉末。 该粉末主要由0.7-2.0%的Mo,0.2-2.5重量%的Cr和0-3.0重量%的Cu,0.05-0.25重量%的Mn和0.3-1.0重量%的C组成,其中 Fe,Mo和Mn作为预合金化的水雾FeMoMn基粉末存在,Cr以FeCr存在,Cu以金属或部分预合金粉末存在,C以石墨存在,表现出非常有趣的性能。 本发明还包括从该铁粉制备烧结组分的方法。