【判断题】【消耗次数：1】
对于无明显屈服的金属材料，规定以产生2%残余变形的应力值为其屈服极限，称为条件屈服极限或屈服强度。
①
正确
②
错误
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相关题目
【单选题】
塑性较好的材料在交变应力作用下，当危险点的最大应力低于屈服极限时（）
①
无明显塑性变形，且不发生断裂
②
有明显塑性变形，且不发生断裂
③
有明显塑性变形，且发生断裂
④
无明显塑性变形，且发生断裂
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