弹性失效准则即把容器元件上远离结构或载荷不连续处在外加机械载荷作用下可能出现的最大相当应力限制在所用材料的弹性范围,即近似地取限制于所用材料的σs以下,如果计及安全系数,则限制在许用应力[σ]t以下。最大相当应力一旦超过这一限制则会使容器总体产生过大的变形直至爆破,或者使材料晶粒产生滑移而不能经受正常的操作条件,各有关国家的容器规范都是按照这一失效准则而且由最大主应力理论确定相当应力的强度校核条件的.
... 弹性失稳 elastic instability; 弹性失效 elastic failure; 弹性失效压力 elastic break down pressure; ...
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鉴于渡河桥梁结构必须具备重复使用的特点,其设计范围仅涉及弹性理念,因此必须对服役渡河桥梁装备结构的弹性失效进行预测。
With the elastic scope of design for bridge and pontoon structures which are used continually, it is necessary for the structures to be forecasted when their elasticity is invalid.
弹性静力学主要涉及力和变形之间的物性关系,以及弹性体的失效、与失效有关的设计准则。
Elastic statics mainly relates to the connection between force and transmogrification, elastic body's invalidation, the guide line of design in invalidation.
从外观上看橡胶件表面疏松、毛糙,失去弹性,从而使橡胶失效。
Rubber pieces from the exterior surface of osteoporosis, loss of flexibility, so that failure of rubber.
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