公开(公告)号：US06319338B1

公开(公告)日：2001-11-20

申请号：US09308986

申请日：1999-07-06

申请人： Osamu Kawano ,  Yuzo Takahashi ,  Junichi Wakita ,  Hidesato Mabuchi ,  Manabu Takahashi ,  Akihiro Uenishi ,  Riki Okamoto ,  Yukihisa Kuriyama ,  Yasuharu Sakuma

发明人： Osamu Kawano ,  Yuzo Takahashi ,  Junichi Wakita ,  Hidesato Mabuchi ,  Manabu Takahashi ,  Akihiro Uenishi ,  Riki Okamoto ,  Yukihisa Kuriyama ,  Yasuharu Sakuma

IPC分类号： C22C3308

CPC分类号： C21D8/02 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008

摘要： The object of the present invention is to provide high-strength steel sheets exhibiting high impact energy absorption properties, as steel materials, to be used for shaping and working into such parts as front side members of automobiles which absorb impact energy upon collision, as well as a method for their production. The high-strength steel sheets of the invention which exhibit high impact energy absorption properties are high-strength steel sheets with high flow stress during dynamic deformation characterized in that the microstructure of the steel sheets in their final form is a composite microstructure of a mixture of ferrite and/or bainite, either of which is the dominant phase, and a third phase including retained austenite at a volume fraction between 3% and 50%, wherein the average value &sgr;dyn (MPa) of the flow stress in the range of 3˜10% of equivalent strain when deformed in a strain rate range of 5×102˜5×103 (1/sec) after pre-deformation of greater than 0% and less than or equal to 10% of equivalent strain, satisfies the inequality: &sgr;dyn≧0.766×TS+250 as expressed in terms of the maximum stress TS (MPa) in the static tensile test as measured in a strain rate range of 5×10−4˜5×10−3 (1/s) without deformation, and the work hardening coefficient between 1% and 5% of a strain is at least 0.080.

摘要翻译： 本发明的目的是提供作为钢材的高冲击能量吸收性能的高强度钢板，用于成形和加工成在碰撞时吸收冲击能量的汽车前侧部件的部件，以及 作为其生产方法。 表现出高冲击能吸收性能的本发明的高强度钢板是在动态变形过程中具有高流动应力的高强度钢板，其特征在于，最终形式的钢板的微结构是复合组织， 铁素体和/或贝氏体，其中任何一个是主要相，第三相包括体积分数在3％至50％之间的残余奥氏体，其中流动应力的平均值sigmadyn（MPa）在3〜 在大于0％且小于等于等效应变的10％的预变形后，在5×102〜5×103（1 / sec）的应变速率范围内变形时的10％的当量应变满足以下不等式：sigmadyn> = 0.766 在静态拉伸试验中以5×10 -4〜5×10 -3（1 / s）的应变速度范围测定的无变形的最大应力TS（MPa）表示的xTS + 250，加工硬化系数1 ％和5％的菌株在leas t 0.080。

公开(公告)号：US06544354B1

公开(公告)日：2003-04-08

申请号：US09355435

申请日：1999-07-28

申请人： Osamu Kawano ,  Junichi Wakita ,  Yuzo Takahashi ,  Hidesato Mabuchi ,  Manabu Takahashi ,  Akihiro Uenishi ,  Yukihisa Kuriyama ,  Riki Okamoto ,  Yasuharu Sakuma

发明人： Osamu Kawano ,  Junichi Wakita ,  Yuzo Takahashi ,  Hidesato Mabuchi ,  Manabu Takahashi ,  Akihiro Uenishi ,  Yukihisa Kuriyama ,  Riki Okamoto ,  Yasuharu Sakuma

IPC分类号： C22C3804

CPC分类号： C21D8/0226 ,  C21D8/0426 ,  C21D8/0436 ,  C21D9/46 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005

摘要： The object of the present invention is to provide high-strength steel sheets exhibiting high impact energy absorption properties, as steel sheets to be used for shaping and working into such parts to front side members which absorb impact energy upon collision, as well as a method for their production. The high-strength steel sheets of the invention which exhibit high impact energy absorption properties are press formable high-strength steel sheets with high flow stress during dynamic deformation characterized in that the microstructure of the steel sheets in their final form is a composite microstructure of a mixture of ferrite and/or bainite, either of which is the dominant phase, and a third phase including retained austenite at a volume fraction between 3% and 50%, wherein the difference between the static tensile strength as when deformed in a strain rate range of 5×10−4˜5×10−3 (l/s) after pre-deformation at an equivalent strain of greater than 0% and less than or equal to 10%, and the dynamic tensile strength &sgr;d when deformed at a strain rate of 5×102˜5×103 (l/sec) after the pre-deformation, i.e. &sgr;d−&sgr;s, is at least 60 MPa, and the work hardening coefficient between 5% and 10% of a strain is at least 0.130.

摘要翻译： 本发明的目的是提供一种表现出高冲击能吸收性能的高强度钢板，作为用于成形和加工成这些部件的钢板，该前端侧构件在碰撞时吸收冲击能量，以及方法 为他们的生产。 表现出高冲击能吸收性能的本发明的高强度钢板是动态变形时具有高流动应力的可压制高强度钢板，其特征在于，最终形式的钢板的微结构是 铁素体和/或贝氏体的混合物，其中的任一种是主要相，第三相包括体积分数在3％至50％之间的残余奥氏体，其中在应变速率范围内变形时的静态拉伸强度之间的差异 在大于0％且小于或等于10％的等效应变下预变形后为5×10 -4〜5×10 -3（1 / s），当应变速率为5×102〜 在预变形之后的5×10 3（1 / sec），即Sigmad-sigmas，至少为60MPa，并且应变的5％和10％之间的加工硬化系数为至少0.130。

公开(公告)号：US09121079B2

公开(公告)日：2015-09-01

申请号：US13583537

申请日：2011-03-09

申请人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

发明人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

IPC分类号： C21D8/02 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  B21B3/00 ,  C21D9/46 ,  C22C38/00

CPC分类号： C21D8/0226 ,  B21B3/00 ,  C21D9/46 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/005 ,  C22C38/06 ,  C22C38/14

摘要： On a cross section with a sheet width direction of a high-strength hot-rolled steel sheet set as a normal line, with regard to an inclusion having a major diameter of 3.0 μm or more, a maximum of a major diameter/minor diameter ratio expressed by (a major diameter of the inclusion)/(a minor diameter of the inclusion) is 8.0 or less, and a sum total of a rolling direction length per 1 mm2 cross section of a predetermined inclusion group composed of plural inclusions each having a major diameter of 3.0 μm or more and a predetermined extended inclusion having a length in a rolling direction of 30 μm or more is 0.25 mm or less. The plural inclusions composing the predetermined inclusion group congregate in both the rolling direction and a direction perpendicular to the rolling direction 50 μm or less apart from each other. The predetermined extended inclusion is spaced over 50 μm apart from all the inclusions each having a major diameter of 3.0 μm or more in at least either the rolling direction or the direction perpendicular to the rolling direction.

摘要翻译： 在作为法线设定的高强度热轧钢板的板宽方向的截面上，对于长径为3.0μm以上的夹杂物，最大直径/小直径比的最大值 由（夹杂物的主直径）/（夹杂物的微小直径）表示为8.0以下，并且由包含多个夹杂物的预定夹杂物组成的每1mm 2截面的轧制方向长度的总和 长径为3.0μm以上，预定长度为30μm以上的轧制方向的延伸夹杂物为0.25mm以下。 组成预定夹杂物的多个夹杂物在轧制方向和垂直于轧制方向的方向上聚集在50μm以下。 预定的延伸夹杂物在至少轧制方向或与轧制方向垂直的方向的至少任一个中具有大于3.0μm或更大的所有夹杂物的间隔超过50μm。

公开(公告)号：US20130142688A1

公开(公告)日：2013-06-06

申请号：US13817042

申请日：2012-02-23

申请人： Kenichi Yamamoto ,  Hideaki Yamamura ,  Yuzo Takahashi ,  Osamu Kawano ,  Kohsuke Kume ,  Junji Haji ,  Daisuki Maeda ,  Yoshihiro Suwa

发明人： Kenichi Yamamoto ,  Hideaki Yamamura ,  Yuzo Takahashi ,  Osamu Kawano ,  Kohsuke Kume ,  Junji Haji ,  Daisuki Maeda ,  Yoshihiro Suwa

IPC分类号： C22C38/58 ,  C22C38/54 ,  C22C38/50 ,  C22C38/48 ,  C22C38/46 ,  C22C38/44 ,  C22C38/42 ,  C22C38/38 ,  C22C38/32 ,  C22C38/26 ,  C22C38/18 ,  C22C38/16 ,  C22C38/12 ,  C22C38/08 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C22C1/00

CPC分类号： C22C38/58 ,  C21C7/06 ,  C21C7/0645 ,  C22C1/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18 ,  C22C38/26 ,  C22C38/32 ,  C22C38/38 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54

摘要： The present invention provides a high-strength steel sheet including: C: 0.03 to 0.25 mass %, Si: 0.1 to 2.0 mass %, Mn: 0.5 to 3.0 mass %, P: not more than 0.05 mass %, T.O: not more than 0.0050 mass %, S: 0.0001 to 0.01 mass %, N: 0.0005 to 0.01 mass %, acid-soluble Al: more than 0.01 mass %, Ca: 0.0005 to 0.0050 mass %, and a total of at least one element of Ce, La, Nd, and Pr: 0.001 to 0.01 mass %, with a balance including iron and inevitable impurities, in which the steel sheet contains a chemical component on a basis of mass that satisfies 0.7

摘要翻译： 本发明提供一种高强度钢板，其含有：C：0.03〜0.25质量％，Si：0.1〜2.0质量％，Mn：0.5〜3.0质量％，P：0.05质量％以下，TO：不大于 0.0050质量％，S：0.0001〜0.01质量％，N：0.0005〜0.01质量％，酸溶性Al：0.01质量％以上，Ca：0.0005〜0.0050质量％，Ce， La，Nd和Pr：0.001〜0.01质量％，余量包括铁和不可避免的杂质，其中钢板含有基于满足0.7 <100×（[Ce] + [La] + [Nd] + [Pr]）/ [酸溶性Al] 70和0.2 @（[Ce] + [La] + [Nd] + [Pr]）/ [S] 包含包含含有Ca，La，Nd和Pr的至少一种元素的含有Ca，并且含有至少一种O和S元素的第一包含相和包含与第一夹杂物不同的成分的第二夹杂相 并含有Mn，Si和Al中的至少一种元素 nd夹杂物形成球形化合物夹杂物，其当量圆直径在0.5μm至5μm的范围内，并且球形化合物夹杂物的数量相对于具有当量圆直径的所有夹杂物的数量的比率在0.5的范围内 妈妈到5个妈妈是30％以上。

公开(公告)号：US09732405B2

公开(公告)日：2017-08-15

申请号：US14004858

申请日：2012-03-16

申请人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

发明人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

IPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/28 ,  C21D8/02 ,  C22C38/00 ,  C22C38/14 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/38

CPC分类号： C22C38/28 ,  C21D8/0226 ,  C21D8/0263 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/38

摘要： A hot rolled steel sheet includes, as a chemical composition, at least one selected from Ti, REM, and Ca, and includes, as a metallographic structure, a ferrite as a primary phase, at least one of a martensite and a residual austenite as a secondary phase, and plural inclusions, wherein a total length in the rolling direction of both inclusion-cluster whose length in the rolling direction is 30 μm or more and independent-inclusion whose length in the rolling direction is 30 μm or more is 0 mm to 0.25 mm per 1 mm2.

公开(公告)号：US20140000769A1

公开(公告)日：2014-01-02

申请号：US14004858

申请日：2012-03-16

申请人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

发明人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

IPC分类号： C21D8/02 ,  C22C38/28 ,  C22C38/16 ,  C22C38/00 ,  C22C38/08 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/38 ,  C22C38/12

CPC分类号： C22C38/28 ,  C21D8/0226 ,  C21D8/0263 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/38

摘要： A hot rolled steel sheet includes, as a chemical composition, at least one selected from Ti, REM, and Ca, and includes, as a metallographic structure, a ferrite as a primary phase, at least one of a martensite and a residual austenite as a secondary phase, and plural inclusions, wherein a total length in the rolling direction of both inclusion-cluster whose length in the rolling direction is 30 μm or more and independent-inclusion whose length in the rolling direction is 30 μm or more is 0 mm to 0.25 mm per 1 mm2.

摘要翻译： 作为化学组成，热轧钢板包含选自Ti，REM，Ca中的至少一种，作为金相组织，以铁素体为主相，将马氏体和残余奥氏体中的至少一种作为 二次相和多个夹杂物，其中轧制方向的长度为30μm以上的夹杂物的卷取方向的总长度和轧制方向的长度为30μm以上的独立包含体为0mm 至0.25mm / 1mm 2。

公开(公告)号：US09617626B2

公开(公告)日：2017-04-11

申请号：US13817042

申请日：2012-02-23

申请人： Kenichi Yamamoto ,  Hideaki Yamamura ,  Yuzo Takahashi ,  Osamu Kawano ,  Kohsuke Kume ,  Junji Haji ,  Daisuke Maeda ,  Yoshihiro Suwa

发明人： Kenichi Yamamoto ,  Hideaki Yamamura ,  Yuzo Takahashi ,  Osamu Kawano ,  Kohsuke Kume ,  Junji Haji ,  Daisuke Maeda ,  Yoshihiro Suwa

IPC分类号： C22C38/58 ,  C22C38/00 ,  C22C38/02 ,  C22C38/26 ,  C22C38/32 ,  C22C38/38 ,  C22C1/00 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/42 ,  C22C38/06 ,  C22C38/18 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C21C7/064 ,  C21C7/06

CPC分类号： C22C38/58 ,  C21C7/06 ,  C21C7/0645 ,  C22C1/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18 ,  C22C38/26 ,  C22C38/32 ,  C22C38/38 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54

摘要： The present invention provides a high-strength steel sheet including: C: 0.03 to 0.25 mass %, Si: 0.1 to 2.0 mass %, Mn: 0.5 to 3.0 mass %, P: not more than 0.05 mass %, T.O: not more than 0.0050 mass %, S: 0.0001 to 0.01 mass %, N: 0.0005 to 0.01 mass %, acid-soluble Al: more than 0.01 mass %, Ca: 0.0005 to 0.0050 mass %, and a total of at least one element of Ce, La, Nd, and Pr: 0.001 to 0.01 mass %, with a balance including iron and inevitable impurities, in which the steel sheet contains a chemical component on a basis of mass that satisfies 0.7

公开(公告)号：US20130000791A1

公开(公告)日：2013-01-03

申请号：US13583537

申请日：2011-03-09

申请人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

发明人： Yuzo Takahashi ,  Junji Haji ,  Osamu Kawano

IPC分类号： C21D8/02 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/38 ,  C22C38/08 ,  C22C38/16 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/34 ,  C21D11/00 ,  C22C38/14

CPC分类号： C21D8/0226 ,  B21B3/00 ,  C21D9/46 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/005 ,  C22C38/06 ,  C22C38/14

摘要： On a cross section with a sheet width direction of a high-strength hot-rolled steel sheet set as a normal line, with regard to an inclusion having a major diameter of 3.0 μm or more, a maximum of a major diameter/minor diameter ratio expressed by (a major diameter of the inclusion)/(a minor diameter of the inclusion) is 8.0 or less, and a sum total of a rolling direction length per 1 mm2 cross section of a predetermined inclusion group composed of plural inclusions each having a major diameter of 3.0 μm or more and a predetermined extended inclusion having a length in a rolling direction of 30 μm or more is 0.25 mm or less. The plural inclusions composing the predetermined inclusion group congregate in both the rolling direction and a direction perpendicular to the rolling direction 50 μm or less apart from each other. The predetermined extended inclusion is spaced over 50 μm apart from all the inclusions each having a major diameter of 3.0 μm or more in at least either the rolling direction or the direction perpendicular to the rolling direction.

摘要翻译： 在作为法线设定的高强度热轧钢板的板宽方向的截面上，对于长径为3.0μm以上的夹杂物，最大直径/小直径比的最大值 由（夹杂物的主直径）/（夹杂物的微小直径）表示为8.0以下，并且由包含多个夹杂物的预定夹杂物组成的每1mm 2截面的轧制方向长度的总和 长径为3.0μm以上，预定长度为30μm以上的轧制方向的延伸夹杂物为0.25mm以下。 组成预定夹杂物的多个夹杂物在轧制方向和垂直于轧制方向的方向上聚集在50μm以下。 预定的延伸夹杂物在至少轧制方向或与轧制方向垂直的方向的至少任一个中具有大于3.0μm或更大的所有夹杂物的间隔超过50μm。

公开(公告)号：US07842142B1

公开(公告)日：2010-11-30

申请号：US11575344

申请日：2005-09-15

申请人： Kazuhisa Kusumi ,  Hironori Sato ,  Masayuki Abe ,  Nobuhiro Fujita ,  Noriyuki Suzuki ,  Kunio Hayashi ,  Shinya Nakajima ,  Jun Maki ,  Masahiro Oogami ,  Toshiyuki Kanda ,  Manabu Takahashi ,  Yuzo Takahashi

发明人： Kazuhisa Kusumi ,  Hironori Sato ,  Masayuki Abe ,  Nobuhiro Fujita ,  Noriyuki Suzuki ,  Kunio Hayashi ,  Shinya Nakajima ,  Jun Maki ,  Masahiro Oogami ,  Toshiyuki Kanda ,  Manabu Takahashi ,  Yuzo Takahashi

IPC分类号： C21D8/00

CPC分类号： C22C38/04 ,  C21D1/673 ,  C21D1/74 ,  C21D8/0205 ,  C21D9/0068 ,  C21D9/48 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/06 ,  C22C38/18 ,  C22C38/28

摘要： High-strength parts and a method for producing them can be provided, where such parts exhibit hydrogen embrittlement resistance and strength after high-temperature forming. For example, the atmosphere in a heating furnace can contain less than about 10% hydrogen and/or have a dew point of about 30° C. or less. The amount of hydrogen penetrating a steel sheet during heating can thereby be reduced. After forming, quench hardening in a die assembly and post-working can be performed. Post-working can include shearing followed by re-shearing or compression forming; punching with a cutting blade having a continuously reduced base width; punching with a tool having a curved blade and a protrusion at the tip of the cutting blade, where the curved blade may include a shoulder portion of given radius and/or angle; fusion cutting; etc. Tensile residual stresses after punching can be reduced and resistance to hydrogen embrittlement can be improved.

摘要翻译： 可以提供高强度部件及其制造方法，其中这些部件在高温成形后具有耐氢脆性和强度。 例如，加热炉中的气氛可以含有小于约10％的氢气和/或具有约30℃或更低的露点。 从而能够减少加热时穿透钢板的氢的量。 成形后，可以进行模具组装中的淬火硬化和后加工。 后加工可以包括剪切，然后重新剪切或压缩成型; 用具有连续减小的基底宽度的切割刀片冲压; 用具有弯曲刀片的工具和在切割刀片的尖端处的突起进行冲压，其中弯曲刀片可以包括具有给定半径和/或角度的肩部; 融合切割; 冲压后的拉伸残余应力可以降低，并且可以提高耐氢脆性。

公开(公告)号：US5498357A

公开(公告)日：1996-03-12

申请号：US173607

申请日：1993-12-27

申请人： Michiharu Naka ,  Hideki Koizumi ,  Yuzo Takahashi ,  Koici Goto ,  Toshiaki Endo ,  Yoichi Suzuki

发明人： Michiharu Naka ,  Hideki Koizumi ,  Yuzo Takahashi ,  Koici Goto ,  Toshiaki Endo ,  Yoichi Suzuki

IPC分类号： C10M169/00 ,  C10M169/02 ,  C10M169/06 ,  C10N10/02 ,  C10N20/02 ,  C10N30/06 ,  C10N30/08 ,  C10N30/12 ,  C10N40/02 ,  C10N50/10 ,  C10M133/20

CPC分类号： C10M169/02 ,  C10M169/06 ,  C10M2201/065 ,  C10M2201/066 ,  C10M2201/08 ,  C10M2201/081 ,  C10M2201/082 ,  C10M2201/083 ,  C10M2201/084 ,  C10M2205/00 ,  C10M2205/0206 ,  C10M2207/0406 ,  C10M2207/046 ,  C10M2207/281 ,  C10M2207/282 ,  C10M2207/283 ,  C10M2207/286 ,  C10M2207/287 ,  C10M2207/288 ,  C10M2207/289 ,  C10M2209/103 ,  C10M2209/104 ,  C10M2209/108 ,  C10M2209/109 ,  C10M2215/006 ,  C10M2215/026 ,  C10M2215/0813 ,  C10M2215/1013 ,  C10M2215/102 ,  C10M2215/1026 ,  C10M2215/121 ,  C10M2215/2206 ,  C10M2215/2275 ,  C10M2219/044 ,  C10N2220/02 ,  C10N2240/02 ,  C10N2250/10

摘要： A grease composition for high-temperature, high-speed and high-load bearings comprises (i) a lubricating base oil composed of an alkyldiphenyl ether lubricant as an essential ingredient and having a kinematic viscosity of 90-160 cSt at 40.degree. C., and (ii) 22-30 wt. %, based on the grease composition, of a diurea compound as a thickener. The diurea compound is represented by the following formula: ##STR1## wherein R.sub.2 means an aromatic hydrocarbon group having 6-15 carbon atoms, R.sub.1 and R.sub.3 denote an aromatic hydrocarbon group having 6-12 carbon atoms or a linear alkyl group having 8-20 carbon atoms, and the proportion of aromatic hydrocarbon groups in R.sub.1 and R.sub.3 is 70-95 mole %. The NLGI thickness grade of said composition is in a range of from No. 1 to No. 3.

摘要翻译： 用于高温，高速和高负荷轴承的润滑脂组合物包括（i）由烷基二苯醚润滑剂作为必需成分组成的润滑基础油，并且在40℃下的运动粘度为90-160cSt， 和（ii）22-30重量％ 基于润滑脂组合物的二脲化合物作为增稠剂。 二脲化合物由下式表示：具有6-15个碳原子的有机基团，R1和R3表示具有6-12个碳原子的芳族烃基或具有8-20个碳原子的直链烷基，并且芳族化合物的比例 R1和R3中的烃基为70-95摩尔％。 所述组合物的NLGI厚度等级为1〜3。