公开(公告)号：JP2013046603A

公开(公告)日：2013-03-07

申请号：JP2012040981

申请日：2012-02-28

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： KONO TAKASHI ,  FUJINAGA MASASHI ,  ONO TOMOSHIGE

IPC: A01C1/06

Abstract: PROBLEM TO BE SOLVED: To provide an iron-powder-coated seed, capable of realizing a coating little in falling of the iron powder not only in a seeding process but also in a transporting process, and an iron powder-coated seed coated with the iron powder for coating seeds, and to provide an iron powder for coating rice plant seeds, rare in possibility of giving damages to the rice plant seed and easy in handling, and an iron- powder-coated rice plant seed coated with the iron powder for coating rice plant seed.SOLUTION: The iron powder for coating seed is an iron powder usable for coating seed and has >35% but 75% mass fraction of iron powder having ≤63 μm particle size and ≥30.0 mass% but ≤99.0 mass% metal iron content ratio.

Abstract translation: 要解决的问题：提供一种铁粉涂覆的种子，其不仅可以在播种过程中而且在运输过程中实现铁粉的下落，而且可以实现铁粉涂覆的种子 涂覆用于涂覆种子的铁粉，并且提供用于涂覆水稻种子的铁粉，罕见地可能损害水稻种子并且易于处理，并且涂覆有铁粉包覆的水稻种子 用于涂覆水稻种子的铁粉。 ＆lt; P＆gt;解决方案：用于涂覆种子的铁粉是可用于涂覆种子的铁粉，具有> 35％但<85％质量分数的铁粉≤45μm粒度，≥75％质量分数的铁粉≤ 63μm粒径和≥30.0质量％但≤99.0质量％的金属铁含量比。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012183057A

公开(公告)日：2012-09-27

申请号：JP2011188260

申请日：2011-08-31

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： KONO TAKASHI ,  FUJINAGA MASASHI ,  ONO TOMOSHIGE ,  UNAMI SHIGERU ,  OZAKI YUKIKO

IPC: A01C1/06 ,  A01N25/00 ,  A01N59/16 ,  A01P21/00

CPC classification number: A01C1/06

Abstract: PROBLEM TO BE SOLVED: To provide: an iron powder for an auxiliary-material-containing seed coating; an iron powder for an auxiliary-material-adhered seed coating; and an alloy steel powder for a seed coating, in which it is possible to achieve a coating that has little shedding of iron powder not only in a sowing step but also in a transportation step, and it is possible to coat the seeds with an auxiliary material beneficial for the growth of the seed in a state that is favorable to seed growth, and to provide a seed coated with an iron powder for an auxiliary-material-containing seed coating, an iron powder for an auxiliary-material-adhered seed coating or and an alloy steel powder for a seed coating.SOLUTION: The iron powder for an auxiliary-material-containing seed coating includes 0.01-100 pts.mass of an auxiliary material powder based on 100 pts.mass of iron powder, wherein in the iron powder, the mass ratio of the iron powder having at most 63 μm of a particle diameter is at least 0% and at most 75%, the mass ratio of the iron powder having more than 63 μm and at most 150 μm is at least 25% and at most 100%, and the mass ratio of the iron powder having more than 150 μm of a particle diameter is at least 0% and at most 50%, and the average particle diameter of the auxiliary material powder is at most 45 μm.

Abstract translation: 要解决的问题：提供：用于含辅料材料种皮的铁粉; 用于辅助材料粘附的种皮涂层的铁粉; 以及用于种子包衣的合金钢粉末，其中可以实现不仅在播种步骤中而且在运输步骤中几乎不脱落铁粉的涂层，并且可以用辅助材料涂覆种子 有利于种子生长状态下的种子生长的材料，以及提供用于含辅料的种皮包衣的铁粉种子，辅助材料附着种皮的铁粉 或用于种子包衣的合金钢粉末。 ＆lt; P＆gt;解决方案：含辅助材料的种皮涂层的铁粉包含0.01-100磅基于100磅铁粉的辅料粉末，其中在铁粉中，质量比为 铁粉的粒径至多为63μm的铁粉为至少0％且最多为75％，铁粉多于63μm，最多150μm的质量比为25％以上100％以下， 并且具有大于150μm的粒径的铁粉的质量比为至少0％且至多50％，并且辅助材料粉末的平均粒径为至多45μm。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012144801A

公开(公告)日：2012-08-02

申请号：JP2011024946

申请日：2011-02-08

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MAETANI TOSHIO ,  OZAKI YUKIKO ,  ONO TOMOSHIGE ,  KONO TAKASHI

IPC: B22F1/00

Abstract: PROBLEM TO BE SOLVED: To provide mixed powder with which a sintered body having both excellent machinability and drill cuttability can be obtained.SOLUTION: The mixed powder for powder metallurgy is obtained by mixing iron-based powder, powder for an alloy, powder for improving cuttability and lubricant powder. The powder for improving cuttability includes powder capable of forming an SiO-MgO amorphous phase or an SiO-MgO-alkali metal oxide amorphous phase and an oxide phase including SiOor magnesium oxide (MgO). Examples of the powder for improving cuttability includes enstatite powder, talcum powder, kaolin powder, mica powder, water-granulated slag powder, magnesium oxide (MgO) powder, and mixed powder of SiOand MgO. Further, the powder for improving cuttability may be blended with metal boride powder and metal nitride powder serving as hard metal compound particles and MnS and CaFserving as soft metal compound particles. The sintered body produced from the mixed powder has a base phase in which a soft metal compound phase having a hardness lower than the average hardness of the base phase and a hard metal compound phase having a hardness higher than the average hardness of the base phase are dispersed, thus having excellent cuttability including both excellent lathe cuttability and cuttability.

Abstract translation: 要解决的问题：提供可以获得具有优异的机械加工性和钻孔切割性的烧结体的混合粉末。

解决方案：粉末冶金用混合粉末是通过混合铁基粉末，合金粉末，提高可切削性的粉末和润滑剂粉末而得到的。 用于提高切割性的粉末包括能够形成SiO 2 -MgO非晶相或SiO 2的金属粉末 氧化物非晶相和氧化物相，包括SiO 2 和MgO。 此外，用于提高切割性的粉末可以与用作硬质金属化合物颗粒的金属硼化物粉末和金属氮化物粉末以及用作软金属化合物颗粒的MnS和CaF 2 共混。 由混合粉末制造的烧结体具有基础相，其中硬度低于基体相的硬度的软金属化合物相和硬度高于基体相的硬度的硬质金属化合物相是 分散，因此具有优异的可切削性，包括优异的车床切削性和切削性。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011122198A

公开(公告)日：2011-06-23

申请号：JP2009280055

申请日：2009-12-10

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： OZAKI YUKIKO ,  ONO TOMOSHIGE ,  KONO TAKASHI ,  MAETANI TOSHIO

IPC: B22F1/00 ,  C22C33/02

Abstract: PROBLEM TO BE SOLVED: To provide mixed powders for powder metallurgy which can obtain a sintered compact combining excellent machinability and drill cuttability.
SOLUTION: Metal powder is mixed with powder for an alloy, powder for improving cuttability and lubricant powder. Preferably, the powder for improving cuttability is composed of soft metal compound powder and hard metal compound powder, and the blending amount of the hard metal compound powder is controlled to 0.01 to 0.5% and the blending amount of the soft metal compound powder is controlled to 0.01 to 1.0% in mass% to the total content of the metal powder, the powder for an alloy and the powder for improving cuttability. Preferably, the hard metal compound powder is made of metal boride powder, and further, among metal borides, one or more selected from TiB
2 , ZrB
2 and NbB
2 are used. Besides, the soft metallic compound powder can be illustrated by the powder of talc, enstatite, kaolin, mica, fluorite, water-granulated slag or the like. The sintered compact produced from such mixed powder is made into the one having a structure, into the base phase, the grains of a soft metal compound having a hardness lower than the average hardness of the base phase and the grains of a hard metal compound having high hardness are dispersed, thus having excellent cuttability and combining excellent machinability and the cuttability.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供粉末冶金用混合粉末，其可获得具有优异的可加工性和钻孔切割性的烧结体。

解决方案：将金属粉末与合金粉末混合，提高可切削性的粉末和润滑剂粉末。 优选地，用于提高切割性的粉末由软金属化合物粉末和硬质金属化合物粉末组成，并且将硬质金属化合物粉末的配合量控制在0.01〜0.5％，将软质金属化合物粉末的配合量控制在 相对于金属粉末的总含量为0.01〜1.0质量％，合金用粉末和切割性提高的粉末。 优选地，硬质金属化合物粉末由金属硼化物粉末制成，此外，在金属硼化物中，选自TiB 2 SBB，SBB 2，SBB 2， 2 。 此外，软质金属化合物粉末可以通过滑石，顽辉石，高岭土，云母，萤石，水粒状渣等的粉末来说明。 将由这种混合粉末制成的烧结体制成具有下述结构的烧结体：在基体相中，硬度低于基础相的硬度的软质金属化合物的晶粒和具有 高硬度分散，因此具有优异的可切割性，并且结合了优异的机械加工性和可切割性。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010007175A

公开(公告)日：2010-01-14

申请号：JP2008282883

申请日：2008-11-04

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： KONO TAKASHI ,  ONO TOMOSHIGE ,  OZAKI YUKIKO ,  UENOSONO SATOSHI

IPC: B22F1/00 ,  B22F3/02 ,  C22C33/02

Abstract: PROBLEM TO BE SOLVED: To provide an iron-based powdery mixture suitable for use in a powder metallurgy technology, wherein the productivity in a compacting stage and a sintering stage and the yield of the compact and a sintered body are improved while compatibility between improvement of fluidity of the iron-based powdery mixture and reduction of an extracting force of a compact is attained by an inexpensive means.
SOLUTION: The iron-based powdery mixture for powder metallurgy is obtained by mixing carbonaceous porous particles containing a lubricant with iron powder. Preferably, the porous particles are composed of an aggregate of primary fine particles.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种适用于粉末冶金技术的铁基粉末混合物，其中在压实阶段和烧结阶段的生产率以及压实体和烧结体的产率提高，同时兼容性 通过廉价的方法可以获得铁基粉末混合物的流动性的改善和压块的提取力的降低。

解决方案：用于粉末冶金的铁基粉末混合物是通过将含有润滑剂的含碳多孔颗粒与铁粉混合而获得的。 优选地，多孔粒子由一次粒子的聚集体构成。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2012196184A

公开(公告)日：2012-10-18

申请号：JP2011063455

申请日：2011-03-23

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： ONO TOMOSHIGE ,  KONO TAKASHI ,  FUJINAGA MASASHI

IPC: A01C1/06

Abstract: PROBLEM TO BE SOLVED: To provide iron powder realizing a coating layer causing little fall off of iron powder in a transportation process as well as a sowing process, and iron powder coated seed coated with the iron powder for seed coating.SOLUTION: The iron powder for seed coating has a specific surface area of ≥0.1 m/g and 63 μm and ≤150 μm is ≥30% and ≤100%, and the mass ratio of the iron powder having a particle diameter of >150 μm is ≥0% and ≤50%.

Abstract translation: 要解决的问题：提供在运输过程以及播种过程中实现铁粉几乎不脱落的涂层的铁粉和涂覆有用于种子包衣的铁粉的铁粉涂覆的种子。

解决方案：用于种子涂层的铁粉的比表面积≥0.1米 2 / g和<5 m 2 < SP> / g，粉末的粒径分布满足粒径≤63μm的铁粉的质量比≥0％且≤70％的要求，具有粒子的铁粉的质量比 >63μm，≤150μm的直径≥30％，≤100％，粒径>150μm的铁粉的质量比≥0％≤50％。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012183059A

公开(公告)日：2012-09-27

申请号：JP2011188266

申请日：2011-08-31

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： KONO TAKASHI ,  FUJINAGA MASASHI ,  ONO TOMOSHIGE ,  UNAMI SHIGERU ,  OZAKI YUKIKO

IPC: A01C1/06

CPC classification number: A01C1/06

Abstract: PROBLEM TO BE SOLVED: To provide: an iron powder for an auxiliary-material-containing seed coating; an iron powder for an auxiliary-material-adhered seed coating; and an alloy steel powder for a seed coating, in which it is possible to achieve a coating that has little shedding of iron powder not only in a sowing step but also in a transportation step, and it is possible to coat the seeds with an auxiliary material beneficial for the growth of the seed in a state that is favorable to seed growth, and to provide a seed coated with an iron powder for an auxiliary-material-containing seed coating, an iron powder for an auxiliary-material-adhered seed coating or and an alloy steel powder for a seed coating.SOLUTION: The iron powder for an auxiliary-material-containing seed coating includes 0.01-100 pts.mass of an auxiliary material powder based on 100 pts.mass of iron powder, wherein in the iron powder, the mass ratio of the iron powder having at most 45 μm of a particle diameter is more than 85%, and the average particle diameter of the auxiliary material powder is at most 45 μm.

Abstract translation: 要解决的问题：提供：用于含辅料材料种皮的铁粉; 用于辅助材料粘附的种皮涂层的铁粉; 以及用于种子包衣的合金钢粉末，其中可以实现不仅在播种步骤中而且在运输步骤中几乎不脱落铁粉的涂层，并且可以用辅助材料涂覆种子 有利于种子生长状态下的种子生长的材料，以及提供用于含辅料的种皮包衣的铁粉种子，辅助材料附着种皮的铁粉 或用于种子包衣的合金钢粉末。 ＆lt; P＆gt;解决方案：含辅助材料的种皮涂层的铁粉包含0.01-100磅基于100磅铁粉的辅料粉末，其中在铁粉中，质量比为 最多45μm的粒径的铁粉大于85％，辅助粉末的平均粒径为45μm以下。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012183058A

公开(公告)日：2012-09-27

申请号：JP2011188265

申请日：2011-08-31

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： KONO TAKASHI ,  FUJINAGA MASASHI ,  ONO TOMOSHIGE ,  UNAMI SHIGERU ,  OZAKI YUKIKO

IPC: A01C1/06

CPC classification number: A01C1/06

Abstract: PROBLEM TO BE SOLVED: To provide: an iron powder for an auxiliary-material-containing seed coating; an iron powder for an auxiliary-material-adhered seed coating; and an alloy steel powder for a seed coating, in which it is possible to achieve a coating that has little shedding of iron powder not only in a sowing step but also in a transportation step, and it is possible to coat the seeds with an auxiliary material beneficial for the growth of the seed in a state that is favorable to seed growth, and to provide a seed coated with an iron powder for an auxiliary-material-containing seed coating, an iron powder for an auxiliary-material-adhered seed coating or and an alloy steel powder for a seed coating.SOLUTION: The iron powder for an auxiliary-material-containing seed coating includes 0.01-100 pts.mass of an auxiliary material powder based on 100 pts.mass of iron powder, wherein in the iron powder, the mass ratio of the iron powder having at most 45 μm of a particle diameter is more than 35% and less than 85%, and the mass ratio of the iron powder having at most 63 μm is more than 75%, and the average particle diameter of the auxiliary material powder is at most 45 μm.

Abstract translation: 要解决的问题：提供：用于含辅料材料种皮的铁粉; 用于辅助材料粘附的种皮涂层的铁粉; 以及用于种子包衣的合金钢粉末，其中可以实现不仅在播种步骤中而且在运输步骤中几乎不脱落铁粉的涂层，并且可以用辅助材料涂覆种子 有利于种子生长状态下的种子生长的材料，以及提供用于含辅料的种皮包衣的铁粉种子，辅助材料附着种皮的铁粉 或用于种子包衣的合金钢粉末。 ＆lt; P＆gt;解决方案：含辅助材料的种皮涂层的铁粉包含0.01-100磅基于100磅铁粉的辅料粉末，其中在铁粉中，质量比为 具有至多45μm的粒径的铁粉大于35％且小于85％，铁粉的质量比最多为63μm以下的铁粉的质量比为75％以上，辅助材料的平均粒径 粉末最多为45μm。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011179031A

公开(公告)日：2011-09-15

申请号：JP2010041772

申请日：2010-02-26

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： OZAKI YUKIKO ,  ONO TOMOSHIGE ,  KONO TAKASHI ,  MAETANI TOSHIO

IPC: B22F1/00 ,  C22C33/02 ,  C22C38/00

Abstract: PROBLEM TO BE SOLVED: To provide a powdery mixture for powder metallurgy which can provide a sintered compact having excellent machinability and drill cuttability in combination.
SOLUTION: A metal powder is mixed with a powder for alloying, a powder for improving machinability and a lubricant powder. Preferably, the powder for improving machinability consists of a soft metal compound powder and a hard metal compound powder, and as for the blending quantity thereof, by mass% based on the total content of the metal powder, the powder for alloying and the powder for improving machinability, that of the hard metal compound powder is controlled to 0.1 to 0.5%, and that of the soft metal compound powder is controlled to 0.01 to 1.0%. As the hard metal compound powder, metal nitride powder is used. The metal nitride is preferably composed of one or more kinds selected from TiN, AlN and Si
3 N
4 . On the other hand, as the soft metal compound powder, the powder of talc, enstatite, kaolin, mica, fluorite, water-granulated slag or the like is exemplified. The sintered compact produced from the same powdery mixture is made into a sintered compact excellent in cuttability wherein the grains of the soft metal compound with a hardness lower than that of the average hardness of the base phase and the grains of the hard metallic compound with a high hardness are dispersed into the base phase, and excellent machinability and excellent cuttability are combined.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供粉末冶金粉末混合物，其可以提供具有优异的机械加工性和钻孔切割性的烧结体。 解决方案：将金属粉末与用于合金化的粉末，用于改善切削性的粉末和润滑剂粉末混合。 优选地，用于提高机械加工性的粉末由软质金属化合物粉末和硬质合金粉末构成，其配合量以质量％计，以金属粉末的总含量，合金化粉末和粉末 提高机械加工性，将硬质合金粉末的切削性控制在0.1〜0.5％，软质化合物粉末的控制为0.01〜1.0％。 作为硬质合金粉末，使用金属氮化物粉末。 金属氮化物优选由选自TiN，AlN和Si 3 N 3 SB 4中的一种或多种组成。 另一方面，作为软质金属化合物粉末，可举出滑石，顽辉石，高岭土，云母，萤石，水粒状渣等的粉末。 将由相同的粉末状混合物制成的烧结体制成切削性优异的烧结体，其中硬度低于基础相的硬度的软金属化合物的晶粒和硬质金属化合物的晶粒与 高硬度分散在基体相中，并且加工性优异，切割性优良。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011084816A

公开(公告)日：2011-04-28

申请号：JP2011006271

申请日：2011-01-14

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： OZAKI YUKIKO ,  UNAMI SHIGERU ,  ONO TOMOSHIGE ,  FUJINAGA MASASHI

IPC: B22F1/00 ,  C22C33/02 ,  C22C38/00

CPC classification number: B22F1/0003 ,  B22F2998/10 ,  B22F2999/00 ,  C22C33/0264 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  B22F3/02 ,  B22F3/10 ,  B22F1/0059 ,  B22F1/007

Abstract: PROBLEM TO BE SOLVED: To provide an iron-based powder mixture for powder metallurgy which does not produce adverse effect on furnace atmosphere in sintering a compact body, exhibits excellent compactibility even in a low-temperature region of below 100°C, and provides a sintered body excellent in machinability and cutting ability. SOLUTION: The iron-based powder mixture is obtained by adding steatite and fatty amide to iron-based powder as additives. The amount of the steatite added is in the range of 0.01-0.5 mass% based on the whole iron-based powder mixture. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种粉末冶金用铁粉末混合物，其在烧结小型体时不会对炉内气氛产生不利影响，即使在低于100℃的低温区域也显示出优异的紧密性， 提供了切削性和切削性优异的烧结体。 解决方案：铁基粉末混合物通过将铁灰和脂肪酰胺加入铁基粉末作为添加剂而获得。 基于整个铁基粉末混合物，添加的滑石粉的量在0.01-0.5质量％的范围内。 版权所有（C）2011，JPO＆INPIT