High-hardness atomized powder, powder for projecting material for shot peening, and shot peening method using same

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United States of America Patent

PATENT NO 9656371
APP PUB NO 20140090222A1
SERIAL NO

14006796

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Abstract

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There is disclosed a high-hardness atomized powder comprising in mass %: 2 to 8% of B; and one or two or more of Ti, Cr, Mo, W, Ni, Al, and C in an amount satisfying the following expression:

description='In-line Formulae' end='lead'0≦(Ti %/10)+(Cr %/25)+(Mo %/10)+(W %/6)+(Ni %/10)+(Al %/10)+(C %/1)≦1.00,description='In-line Formulae' end='tail'

the balance being Fe and unavoidable impurities, and having a particle diameter of 75 μm or less. The powder, which has high hardness and is inexpensive, is particularly suitable for a powder for a projecting material for shot peening.

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Patent Owner(s)

Patent OwnerAddress
SANYO SPECIAL STEEL CO LTD3007 AZA-ICHIMONJI NAKASHIMA SHIKAMA-KU HYOGO-KEN HIMEJI-SHI 6728677

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sawada, Toshiyuki Himeji, JP 44 93

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