提出了对金属材料在无负载条件下进行尺寸稳定性评定的热循环在线检测法。
Thermal cycling on-line measuring method was proposed to evaluate the dimensional stability of metal materials unloaded.
用挤压铸造工艺制备了钛酸钾晶须增强铝基复合材料，研究了其热膨胀系数和热循环尺寸稳定性。
Aluminum matrix composites reinforced with potassium titanate whiskers were prepared by squeezing casting process. The thermal expansion and dimensional stability of such composites were investigated.
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