| 激振频对振动凝固铸件残余应力的影响 |
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| 引用本文： | 董学武 胡在矶. 激振频对振动凝固铸件残余应力的影响[J]. 铸造, 2000, 49(11): 816-818 |
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| 作者姓名： | 董学武 胡在矶 |
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| 作者单位： | 郑州纺织工学院机械系,河南郑州 |
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| 摘 要： | 理论分析和试验研究表明,采用不同的激振频率对金属型铸件进行振动凝固时,由于铸型系统的各部分位移振幅不同,铸件的铸造残余应力水平不同。其中采用铸型系统的低阶固有频率时,铸造残余应力水平最低,可免于时效处理。
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| 关 键 词： | 振动凝固 残余应力 金属型铸造 激振频率 |
| 文章编号： | 1001-4977(2000)11-0816-03 |
| 修稿时间： | 2000-06-12 |
Effect of Exciting Frequency on the Residual Stress of the Vibrating Solidification Casting |
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| DONG Xue wu,HU Zai ji,ZHAN Jin hao,ZHANG Zhao jun. Effect of Exciting Frequency on the Residual Stress of the Vibrating Solidification Casting[J]. China Foundry, 2000, 49(11): 816-818 |
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| Authors: | DONG Xue wu HU Zai ji ZHAN Jin hao ZHANG Zhao jun |
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| Abstract: | Results show that suitable exciting frequency for vibrating solidification of casting in metal mold is important to the casting stress relief.The amplitude of casting residual stress without aging can be in a very low level when vibrating solidification is processed at the low order natural frequency of metal mould system. |
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| Keywords: | vibrating solidification exciting parameter casting residual stress castings metal mold casting |
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