| 铝合金熔体氢含量计算模型建立及其可信性评价 |
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| 引用本文： | 李大勇,孙谦,张建雷. 铝合金熔体氢含量计算模型建立及其可信性评价[J]. 哈尔滨理工大学学报, 2011, 16(5): 1-4 |
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| 作者姓名： | 李大勇 孙谦 张建雷 |
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| 作者单位： | 哈尔滨理工大学测控技术与通信工程学院,黑龙江哈尔滨,150080 |
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| 基金项目： | 国家自然科学基金(51174067) |
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| 摘 要： | 为了更加深入的了解铝合金凝固特性,经理论分析后,建立了铝液中氢扩散过程的数学模型,对铝合金熔体吸/释氢过程进行了动力学推导.对不同的熔体温度、保温时间以及熔体初始氢含量等工艺参数条件下铝熔体的表面吸氢情况进行了计算,并利用铝合金熔体氢分压动态测氢装置,对实际扩散过程做了测试,给出了诸多因素作用下的熔体氢含量变化曲线.计...
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| 关 键 词： | 铝合金 氢含量 计算模型 可信性评价 |
Buliding a Calculation Model of Hydrogen Content in Aluminum Alloy Melting and Its Reliability Evaluation |
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| LI Da-yong,SUN Qian,ZHANG Jian-lei. Buliding a Calculation Model of Hydrogen Content in Aluminum Alloy Melting and Its Reliability Evaluation[J]. Journal of Harbin University of Science and Technology, 2011, 16(5): 1-4 |
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| Authors: | LI Da-yong SUN Qian ZHANG Jian-lei |
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| Affiliation: | LI Da-yong,SUN Qian,ZHANG Jian-lei (School of Measure-control Technology and Communications Engineering,Harbin University of Science and Technology,Harbin 150080,China) |
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| Abstract: | For deeply learning the solidification character of aluminum alloy melt,on the basis of theoretical analysis,a model of hydrogen diffusion process in the aluminum alloy melt has been got in this paper,and the dynamics process of the melting breathing in/out hydrogen has been deduced.The melting surface states of breathing in hydrogen under different technological parameters such as melting temperature,holding time and initial hydrogen content have been calculated.Simultaneously,real diffusion process is tes... |
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| Keywords: | aluminum alloy hydrogen content calculating model credibility evaluation |
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