materials science
动态应变时效
Dynamic Strain AgingA metallurgical phenomenon where the interaction between mobile dislocations and solute atoms during plastic deformation leads to a temporary increase in flow stress and strain hardening. / 一种金属学现象，指在塑性变形过程中，可动位错与溶质原子的相互作用导致流变应力和应变硬化暂时增加。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-08 16:05:56
Sub-knowledge points
Localized deformationHomogeneous hardeningDislocation-solute interaction
Higher-order knowledge points
Plastic deformation mechanismsAlloy strengthening
Main parameters and performance indicators
Temperature: Critical range for the phenomenonStrain Rate: Affects the onset and intensity of the effect
Open problems
Precise control of the transition mechanism between localized deformation and homogeneous hardeningQuantitative modeling of the kinetics in complex multi-component alloys
Related literature
ranked by community starsTransition from DSA-related localized deformation to low-temperature homogeneous hardening in solution-treated Al–Cu–Mg alloyOpen source
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Creation and modification trail
1 recordsRecord title: Dynamic Strain Aging.
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