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IMPORTANT LESSONS THEY DIDN’T TEACH ME AT COLLEGE(OR,AT LEAST I DON’T THINK THEY DID)

机译:重要的经验教训,他们在大学没有教给我(或者,我至少不曾想过)

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Some of the most important lessons are not taught in engineering schools.Ten such lesions are reviewed in this paper,as follows:rnProvide a path for the force to enter into the member(section)that lies parallel.rnThere are no secondary members in welded construction.rnGetting tough filler metal is easy—getting tough weld metal requires control of welding parameters.rnWhen dealing with the fatigue behavior of welded assemblies,some major changes in thinking are required.rnDuctility isn’t a material property.rnConstraint and notches are common causes of failures.rnFracture mechanics has never been and will never be a materials-only issue.rnWelds can be much more effective than bolts.rnWeld details are really important.rnUndermatching is an underutilized tool.
机译:工科学校未教授一些最重要的课程。本文对以下十种病灶进行了综述:rn提供了一条力使力进入平行的构件(截面)的路径。rn焊接中没有次要构件rn。获得坚固的填充金属很容易-获得坚固的焊接金属需要控制焊接参数。rn当处理焊接组件的疲劳行为时,需要在思想上进行一些重大改变。rn延展性不是材料特性。rn约束和缺口是常见的导致失效的原因.rn断裂力学从来没有而且永远不会成为仅材料的问题.rn焊接比螺栓更有效.rn焊接细节非常重要.rn不匹配是一种未充分利用的工具。

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