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耐开裂性 [nài kāi liè xìng]
resistance to cracking
- 跟着结晶型聚合物的结晶度的进步，塑料的耐应力开裂性降低，因此降低模具温度是有利的。
crystalline polymers followed the progress of crystallinity, plastic, reduced resistance to stress cracking, thus reducing the mold temperature is favorable. - 拉伸时的自然冷却会产生不均匀的产品，快速水冷却拉伸工艺能显著改善管的耐环境应力开裂性，成倍提高其强度。
It showed that a fast cooling after drawing was of benefit to dimensional stability, straightness, environmental stress cracking resistance, and strength of the drawn tubes. - 玻璃化转变温度以下的热处理可以提高PC的拉伸强度，但是对改善材料的耐环境应力开裂性不利。
The tensile strength of PC can he improved by the thermal treatment at the temperature below its glass transition temperature, but the property of the resistance of ESC of PC will be decreased.
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