公开(公告)号：US20240043974A1

公开(公告)日：2024-02-08

申请号：US18266422

申请日：2021-12-09

Applicant: SANYO SPECIAL STEEL CO., LTD.

Inventor： Toru Hagiya ,  Tetsuzi Kuse ,  Hiroki Ikeda ,  Yasumasa Mutou

IPC: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/02 ,  C22C38/04 ,  C22C33/02 ,  B33Y70/00

CPC classification number: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/02 ,  C22C38/04 ,  C22C33/02 ,  B33Y70/00 ,  B33Y80/00

Abstract: Provided is a shaped article which can satisfy both high heat conducting properties and hardness (quenching and tempering hardness, and hardness after retention at a high temperature and softening). The shaped article produced from an Fe-based alloy powder, the Fe-based alloy powder consisting of, in mass %: 0.20 50.0; (3) PC

公开(公告)号：US20240026508A1

公开(公告)日：2024-01-25

申请号：US18266394

申请日：2021-12-09

Applicant: Sanyo Special Steel Co., Ltd.

Inventor： Toru Hagiya ,  Tetsuzi Kuse ,  Hiroki Ikeda ,  Yasumasa Mutou

IPC: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  B22F1/05 ,  B22F9/08 ,  B33Y70/00

CPC classification number: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  B22F1/05 ,  B22F9/08 ,  B33Y70/00 ,  B22F2999/00 ,  B22F2304/10 ,  B22F2201/11 ,  B22F2998/10

Abstract: Provided is a steel powder for a hot work tool, suitable for additive manufacturing. A stacked shaped article produced by the powder can satisfy both high heat conducting properties and hardness. An Fe-based alloy powder consisting of, in mass %, 0.40 21.7 (1); K2>29.0 (2), and wherein the Fe-based alloy powder has an average particle size D50 of 200 μm or less.

公开(公告)号：US20250018467A1

公开(公告)日：2025-01-16

申请号：US18715352

申请日：2022-11-30

Applicant: Sanyo Special Steel Co., Ltd.

Inventor： Toru Hagiya ,  Hiroki Ikeda ,  Yoshikazu Aikawa ,  Hiroki Moriguchi

IPC: B22F1/16 ,  B22F1/05 ,  B22F1/065 ,  B33Y70/10 ,  C22C19/05 ,  C22C38/02 ,  C22C38/04 ,  C22C38/48

Abstract: A powder for additive manufacturing excellent in high-temperature strength, and an additively manufactured article excellent in high-temperature strength produced using the powder for additive manufacturing are provide. An alloy powder material for additive manufacturing, including an alloy powder; and oxide nanoparticles that have not been subjected to surface treatment with an organic substance, wherein the oxide nanoparticles are attached to surfaces of alloy particles constituting the alloy powder, is provided. An additively manufactured article produced using the alloy powder material for additive manufacturing is also provided.

公开(公告)号：US20240392415A1

公开(公告)日：2024-11-28

申请号：US18704393

申请日：2022-10-24

Applicant: Sanyo Special Steel Co., Ltd.

Inventor： Yuka Miura ,  Toru Hagiya ,  Soichiro Maeda ,  Yoshikazu Aikawa

IPC: C22C19/05 ,  B33Y70/00

Abstract: An Ni-based alloy powder having excellent high-temperature strength and cracking resistance, which is suitable for additive manufacturing, and the present disclosure provides an Ni-based alloy powder consisting of, in mass %: Ni: 40.00% to 70.00%; Cr: 15.00% to 25.00%; Mo: 0.10% to 12.00%; Nb: 3.00% to 7.00%; Al: 0.10% to 1.50%; Ti: 0.10% to 2.00%; Si: 0.01% to 0.40%; C: 0.001% to 0.15%; B: 0.0002% to 0.0040%; S: 0% to 0.002%; one or more of W and Co: 0% to 7.00% in total; and the balance consisting of Fe and inevitable impurities, wherein a value of strength parameter A1 is 200 or more, and a value of cracking resistance parameter A2 is 200 or less.