低碳钢扭转断口图 第2章是关于材料的机械性能（Mechanical Properties of Materials），讨论了塑性和脆性材料的拉压机械性能，重点阐述了低碳钢和铸铁在拉伸和压缩时所表现出来的机械性能
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聚合材料的机械性能一般表现为低强度和高韧性。
The mechanical properties of polymers generally include low strength and high toughness.
本文综述了硅材料的机械性能研究进展和相应的研究方法。
The progress in study of the mechanical properties of monocrystalline silicon have been reviewed.
计算并讨论了复合管组成材料的机械性能及厚比对胀形成形性的影响。
The affects of material mechanical properties and thickness on forming ability are calculated and discussed.
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