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dynamic strain aging

动态应变时效

目前普遍接受的对PLC效应的解释是动态应变时效(dynamic strain aging),即可动位错与溶质原子之间的动态钉扎和脱钉,然而,其中微观过程仍有待实验证实。

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是动态应变时效

目前对锯齿形屈服现象的解释中，为研究者所广泛接受的是动态应变时效（dynamic strain aging，DSA）理论，即材料微细观结构演化过程中，可动位错和溶质原子问的动态交互作用。

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运用动态应变时效

...,其应变速率敏感系数始终为负值,且该不稳定性总是在一个临界应变之后出现,基于以上特征,运用动态应变时效(dynamic strain aging,DSA)机制,即形变过程中溶质原子与可动位错的交互作用,解释了所观察到的力学现象。

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是由动态应变时效

大部分研究者将PLC效应视为材料的本征性质,并认为是由动态应变时效(Dynamic Strain Aging,DSA)即可动位错和溶质原子间的动态相互作用引起的。

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短语

能源科学技术

·2,447,543篇论文数据，部分数据来源于NoteExpress

abstract: Although sometimes dynamic strain aging is used interchangeably with the Portevin–Le Chatelier effect (or serrated yielding), dynamic strain aging refers specifically to the microscopic mechanism that induces the Portevin–Le Chatelier effect. This strengthening mechanism is related to solid-solution strengthening and has been observed in a variety of fcc and bcc substitutional and interstitial alloys, metalloids like silicon, and ordered intermetallics within specific ranges of temperature and strain rate.

以上来源于: WordNet

The dynamic strain aging of low carbon steel is the main reason of low plastic strain ratios value of the ferrite rolled strip.

低碳钢的动态应变时效行为是导致其铁素体轧制薄板塑性应变比值较低的主要原因。

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Dynamic Strain Aging (DSA) is a strengthening phenomenon in metals and alloys caused by the interaction between the diffusive solute atoms and the moving dislocation.

动态应变时效是在金属和合金中，移动着的溶质原子和运动中的位错发生交互作用时所出现的一种强化现象。

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The of effects of dynamic strain aging on the tensile and smooth rotating strength of 18-8 type austenitic stainless steel at room and elevated temperatures were investigated.

研究动态应变时效对18 - 8型奥氏体不锈钢室温及高温下的抗拉及光滑弯曲疲劳强度的影响。

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