This flow disruption is mediated by a local ductile-to-brittle transition in the deformation zone, due to the action of the SA medium – a mechanochemical (MC) effect in large-strain deformation of metals. Equally importantly, the MC effect and underlying segmented flow are beneficial also for...
材料科学与工程基础作业讲评-7 第十次作业中文 4-12热处理(退火)的实质是什么?它对材料的拉伸强度、硬度、尺寸稳定性、冲击强度和断裂伸长率有什么影响?结构弛豫,非晶至结晶转变 4-20玻璃的理论强度超过7000MPa。一块平板玻璃在60MPa弯曲张力下破坏。我们假定裂纹尖端为氧离子尺寸(即裂纹尖端...
材料科学与工程基础10 11思考题