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Title:
DEVICE AND METHOD FOR MANUFACTURING VEHICLE UNDERBODY COMPONENT MATERIAL, QUENCHING STEEL MATERIAL FOR MANUFACTURING VEHICLE UNDERBODY COMPONENT MATERIAL, AND VEHICLE UNDERBODY COMPONENT MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/186102
Kind Code:
A1
Abstract:
This method for manufacturing a vehicle underbody component material comprises: locally induction-heating a quenching steel material, which is for manufacturing a vehicle underbody component material and has a martensitic or bainitic structure, to a temperature between the Ac3 transformation point and 950°C while continuously moving the position of a locally induction-heated portion; locally and continuously deforming the locally induction-heated portion of the quenching steel for manufacturing the vehicle underbody component material; and continuously quenching the locally and continuously deformed portion of the quenching steel for manufacturing the vehicle underbody component material.

Inventors:
NAKAZAWA, Yoshiaki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
SHIMADA, Naoaki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
KANAIDA, Yuya (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
YAMASHITA, Shigeki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2018/009026
Publication Date:
October 11, 2018
Filing Date:
March 08, 2018
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
C21D9/08; B21D7/16; C22C38/00; C22C38/06; C22C38/58
Domestic Patent References:
WO2016152668A12016-09-29
WO2006093005A12006-09-08
WO2017061445A12017-04-13
Foreign References:
JP2010242164A2010-10-28
JP2012224900A2012-11-15
JP2010070789A2010-04-02
JP2016108592A2016-06-20
JP2003277831A2003-10-02
JP2014073516A2014-04-24
JPH11290956A1999-10-26
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (3-17, Shinjuku 4-chome Shinjuku-k, Tokyo 22, 〒1600022, JP)
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