| 几种6000系汽车板铝合金的结晶相 |
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| 引用本文： | 刘宏,赵刚,刘春明,左良. 几种6000系汽车板铝合金的结晶相[J]. 东北大学学报(自然科学版), 2005, 26(11): 53-56. DOI: - |
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| 作者姓名： | 刘宏 赵刚 刘春明 左良 |
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| 作者单位： | 东北大学,材料与冶金学院,辽宁,沈阳,110004;东北大学,材料与冶金学院,辽宁,沈阳,110004;东北大学,材料与冶金学院,辽宁,沈阳,110004;东北大学,材料与冶金学院,辽宁,沈阳,110004 |
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| 基金项目： | 教育部重点项目，国家科技攻关项目，高等学校优秀青年教师教学科研奖励计划 |
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| 摘 要： | 通过扫描电镜/能谱、X射线衍射以及金相分析,针对几种6000系汽车板铝合金,研究了不同的合金成分对结晶相的影响.结果表明,合金铸造时形成的结晶相为Al1.9CuMg4.1Si3.3,Al8(FeMnCr)2Si,Al5(FeMnCr)Si,Al4(MnFeCr)3Si2,Al5(MnFeCr)12Si7以及Mg2Si.随Mg/Si,Mg/Cu质量比及Mn含量的增大,Mg2Si和Al(FeMnCr)Si/Al(MnFeCr)Si型结晶相数量增多.均匀化时,除发生Al5(FeMnCr)Si向Al8(FeMnCr)2Si相的转变外,其他结晶相的类型不变.在随后的固溶处理和时效过程中,结晶相不再发生变...
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| 关 键 词： | 6000系铝合金 汽车板 结晶相 铸态 均匀化 |
| 文章编号： | 1005-3026（2005）11-1070-04 |
| 收稿时间： | 2005-01-19 |
| 修稿时间： | 2005-01-19 |
Phase Constituents of Some Kinds of 6000-Series Aluminium Alloys for Automotive Body Sheets |
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| LIU Hong,ZHAO Gang,LIU Chun-ming,ZUO Liang. Phase Constituents of Some Kinds of 6000-Series Aluminium Alloys for Automotive Body Sheets[J]. Journal of Northeastern University(Natural Science), 2005, 26(11): 53-56. DOI: - |
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| Authors: | LIU Hong ZHAO Gang LIU Chun-ming ZUO Liang |
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| Affiliation: | (1) School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China |
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| Abstract: | By means of SEM/energy spectrum,XRD and metallographic analysis,the effects of different alloying compositions on the constituents of some 6000-series aluminium alloys for automotive body sheets were investigated.The results indicated that the phases formed in as-cast state include Al_(1.9)CuMg_(4.1)Si_(3.3),Al_8(FeMnCr)_2Si,Al_5(FeMnCr)Si,Al_4(MnFeCr)_3Si_2,Al_5(MnFeCr)_(12)Si_7 and Mg_2Si.And the quantities of such phases as Al(FeMnCr)Si,Al(MnFeCr)Si and Mg_2Si increase with the mass ratios Mg/Si and Mg/Cu and Mn content.When homogenizing the Al alloys,the types of their phases remain unchanged except the Al_5(FeMn)Si which is transformed into Al_8(FeMn)_2Si phase.Then,after rolling and final heat treatment,all the phases no longer change. |
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| Keywords: | 6000-series aluminium alloys automotive body sheets phase constituent as-cast homogenization |
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