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CONTROL OF STRUCTURAL PERFORMANCES IN LOAD-BEARING COMPONENTS BY MEANS OF STRENGTH-ALTERING, FRICTION STIR PROCESSED PATTERNS
CONTROL OF STRUCTURAL PERFORMANCES IN LOAD-BEARING COMPONENTS BY MEANS OF STRENGTH-ALTERING, FRICTION STIR PROCESSED PATTERNS
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机译:通过改变强度,摩擦搅拌过程模式的方法来控制承重组件的结构性能
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摘要
A method of controlling the location at which yielding initiates a load bearing component and the collapse mode that is activated at the site of yielding for a designated type of loading is claimed. The steps include selecting a desired area of deformation and a kinematic mode of collapse; selecting a strength-altering pattern including at least a strengthening or weakening zone to control the location in a component where plastic deformation occurs, such that the pattern causes deformation to proceed into a desired collapse mode or shape with the component is subjected to design loading; and applying the strength-altering pattern to the component by friction stir processing, forming at least a strengthened or weakened zone relative to the base material of the component.
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