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Ni_(49．8)Ti_(50.2)合金马氏体逆相变的瞬态内耗与频率间关系的定量分析
Quantitative analysis of relationship between transitory internal friction and frequency during reverse martensitic transformation in Ni49.8 8Ti50.2 alloy
查看参考文献12篇
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文摘
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采用动态力学分析仪测定了Ni_(49.8)Ti_(50.2)形状记忆合金在不同振动频率下的内耗-温度曲线，利用迭代法定量分析了内耗-温度曲线，将其分为本征和瞬态两个分量，定量研究了瞬态内耗与频率间的关系。研究表明该合金的内耗值随着频率的增加而降低。根据所确定的理论模型由某个频率下的瞬态内耗-温度曲线可预测其他频率下的瞬态内耗-温度曲线。 |
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其他语种文摘
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The internal friction （IF）-temperature spectra of Ni_(49.8) Ti_(50.2) shape memory alloy at different oscillation frequency were measured with dynamic mechanical analyzer. The IF-temperature spectrum was quantitatively analyzed and decomposed into intrinsic and transitory sections using the iterative method. The relationship between the intrinsic IF spectrum and the frequency was also quantitatively investigated. The results indicate that the IF values decrease with the increase of frequency. The transitory IF-temperature spectrum at different frequency can be predicted from the calculated one at any other frequency based on the determined theoretical model. |
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来源
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金属热处理
,2008,33(2):85-88 【核心库】
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关键词
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瞬态内耗
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本征内耗
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频率
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形状记忆合金
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NiTi合金
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地址
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1.
沈阳珲工大学材料科学与工程学院, 辽宁, 沈阳, 110168
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中国科学院金属研究所, 辽宁, 沈阳, 110016
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0254-6051 |
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学科
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金属学与金属工艺 |
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文献收藏号
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CSCD:3229384
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