Materials Science

超塑性

Superplasticity

The ability of a material to undergo very large plastic strains without fracture, typically at elevated temperatures and low strain rates. / 材料在高温和低应变速率下发生极大塑性变形而不发生断裂的能力。

Knowledge type: 自然理论
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-10-16 16:02:43

Sub-knowledge points

Grain boundary slidingDiffusion creepDynamic recrystallization

Higher-order knowledge points

Additive Manufacturing / 工艺技术Plastic deformationMaterials processing

Main parameters and performance indicators

Temperature: Typically high (often >0.5 Tm)Strain rate: Typically low (10^-5 to 10^-2 s^-1)Grain size: Ultrafine or nanocrystalline

Open problems

Optimizing processing parameters for industrial scalabilityExtending superplasticity to lower temperaturesUnderstanding deformation mechanisms in complex alloys

Related literature

ranked by community stars

Achieving exceptional superplasticity in Al0.5CoCrFeNiCu high-entropy alloy via partial recrystallization-induced heterostructureOpen source

超塑性

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

Related products and links