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High-toughness isothermal quenching ball iron for diesel engine crankshaft, comprises carbon, silicon, manganese, phosphorus, sulfur, magnesium, rhenium, molybdenum, nickel and copper. 专利
申请日期: 2013-01-01, 公开日期: 2013-07-17
作者:  CAI Y FANG C HAO H JIA F LIU H MENG
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/13
Toughness porous anodic aluminium oxide film and preparation method thereof. 专利
申请日期: 2007-01-01, 公开日期: 2007-02-28
作者:  LI S CHANG X
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/27
Method for raising the strength and toughness of nickel-aluminum alloys by strong magnetic field. 专利
申请日期: 2004-01-01, 公开日期: 2004-11-03
作者:  WU C ZHOU W MA G
收藏  |  浏览/下载:3/0  |  提交时间:2020/01/02


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