As a promising solution to lighter vehicles, warm stamping of magnesium alloy sheet has gained intense attention in automotive industry. Firstly, boron nitride (BN), graphitic (C), molybdenum disulfide (MoS2), and polytetrafluoroethylene (PTFE) were evaluated as high-temperature lubricants for magnesium sheet forming. BN demonstrated the best comprehensive performances for good lubrication effect, load-carrying capacity, and excellent low-cost water washing convenience. Limit drawing ratio (LDR) was then determined for 1.5-mm-thick AZ31B magnesium sheet with and without BN as lubricant, and LDRs of 2.5 and 2.1 were achieved for lubricated and unlubricated situations. It was demonstrated that lubricated LDR of AZ31B magnesium sheet under warm stamping is comparable to most known mild steel sheets. The discussion through lubrication status and sheet thinning investigated the effect of lubricant on the increase of LDR compared with unlubricated case.
机构:
Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Fang Jian-hua
Pan Fu-sheng
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Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Pan Fu-sheng
Chen Bo-shui
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Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Chen Bo-shui
Wu Jiang
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Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Wu Jiang
Dong Ling
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Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
机构:
Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Fang Jian-hua
Pan Fu-sheng
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机构:
Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Pan Fu-sheng
Chen Bo-shui
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h-index: 0
机构:
Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Chen Bo-shui
Wu Jiang
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h-index: 0
机构:
Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
Wu Jiang
Dong Ling
论文数: 0引用数: 0
h-index: 0
机构:
Logist Engn Univ, Dept Mil Oil Applicat & Adm Engn, Chongqing 401311, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China