pre-cooling strain 预冷变形
Since brazing is performed at temperatures within the hot-short range, strain must be avoided during the brazing and cooling of this alloy.
由于钎焊是表现在温度与热短程，应变必须避免在钎焊和冷却这一合金。
Results show that with the increase of cooling rate or decrease of measurement temperature, both the yield stress and yield time increase, but the yield strain decreases.
发现在相同测量方式下，随降温速率的增大或测量温度的降低，屈服应力增大、屈服时间变长、屈服应变减小。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
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