MECHANICAL PROPERTIES OF HEAT EXCHANGER TUBE MATERIALS AT ELEVATED TEMPERATURES

机译：高温升高温度换热器管材料的力学性能

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Since automotive heat exchangers are operated at elevated temperatures and under varying pressures, both static and dynamic mechanical properties should be known at the relevant temperatures. We have collected elevated-temperature tensile test data, elevated-temperature stress amplitude-fatigue life data, and creep-rupture data in a systematic fashion over the past years. For thin, soft, and braze-simulated heat exchanger tube materials tested inside closed furnaces, none of the well-established methods for crack detection and observation can be applied. In our contribution, we present a simple statistical method to estimate the time required for crack initiation.

机译：由于汽车热交换器在升高的温度下并且在不同的压力下，因此应在相关温度下已知静态和动态的机械性能。在过去几年中，我们在系统时尚中收集了升高的温度拉伸试验数据，高温应力幅度疲劳寿命数据和蠕变破裂数据。对于封闭炉内测试的薄，柔软和铜模拟的热交换器管材料，可以应用用于裂纹检测和观察的良好既定方法。在我们的贡献中，我们提出了一种简单的统计方法来估计破解启动所需的时间。

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《International Conference on Aluminum Alloys》|2012年||共6页
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作者
Soeren Kah; Jozefa Zajac; Hans-Erik Ekstroem;
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原文格式 PDF
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中图分类 TG166.3-53;
关键词
Mechanical properties; Fatigue; Creep; Crack initiation;

机译：机械性能;疲劳;蠕动;裂缝启动;

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1. Evaluation of mechanical integrity on the brazing joint of a tube-type heat exchanger with considering local material properties [J] . Seok-Hoon Kang, Sang Hu Park, June Kee Min, Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science . 2013,第3期

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2. Materials-to-device design of hybrid metal-polymer heat exchanger tubes for low temperature waste heat recovery [J] . Rajagopal Manjunath C., Chang Ho Chan, Man Timothy, International Journal of Heat and Mass Transfer . 2019,第Nova期

机译：用于低温废热回收的混合金属聚合物热交换器管的材料到设备设计
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机译：用于低温废热回收的混合金属聚合物热交换器管的材料到设备设计
4. MECHANICAL PROPERTIES OF HEAT EXCHANGER TUBE MATERIALS AT ELEVATED TEMPERATURES [C] . Soeren Kah, Jozefa Zajac, Hans-Erik Ekstroem International Conference on Aluminum Alloys . 2012

机译：高温升高温度换热器管材料的力学性能
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MECHANICAL PROPERTIES OF HEAT EXCHANGER TUBE MATERIALS AT ELEVATED TEMPERATURES

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