研究了热循环对铝基复合材料热膨胀和冷却收缩曲线的影响。
The effects of thermal circling on the curve of heat expansion and cold contraction are investigated.
性能测试包括热膨胀系数、差热曲线和电性能等。
The thermal expansion coefficient DTA and electrical properties were also investigated.
模拟钢轨焊接及焊后热处理工况，采用热膨胀方法分别测定uic 900a及u75 V钢轨钢的连续冷转变曲线(CCT曲线)。
By simulating welding and simulating heat treatment after welding, CCT Curves of UIC900A and U75V rail steels are determined by the expansion method.
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