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IJAT Vol.6 No.6 pp. 802-808
doi: 10.20965/ijat.2012.p0802
(2012)

Paper:

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Micro Hole Piercing for Ultra Fine Grained Steel

Takafumi Komatsu*, Hitoshi Kobayashi*, Shiro Torizuka**,
and Shin-ichi Nagayama***

*Komatsuseiki Kosakusho Co., Ltd., 942-2 Shiga, Suwa-city, Nagano 392-0012, Japan

**National Institute for Material Science, 1-2-1 Sengen, Tsukuba-city, Ibaraki 305-0047, Japan

***Tokushu Kinzoku Excel Co., Ltd., 56 Tamagawa, Tokigawa-machi, Hiki-gun, Saitama 355-0342, Japan

Received:
June 29, 2012
Accepted:
October 10, 2012
Published:
November 5, 2012
Creative Commons License
Keywords:
micro piercing, ultra fine grained steel, orifice, micro hole, grain size
Abstract
Ultra fine grained steels have been developed by many researchers. However, studies on the effects of different grain size on processes and product functions have been limited because the size of the bulk material has been small for these products. The authors have developed a production process for thin ultra fine grained stainless steel coil, and the effects have been clarified. This paper first reports the effects onmicro hole piercing by comparing materials with different grain sizes. Secondly, orifices are produced from these materials, and the liquid flow volume is measured as the functional effect of different grain sizes.
Cite this article as:
T. Komatsu, H. Kobayashi, S. Torizuka, and S. Nagayama, “Micro Hole Piercing for Ultra Fine Grained Steel,” Int. J. Automation Technol., Vol.6 No.6, pp. 802-808, 2012.
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