Materials Science

难熔高熵合金

Refractory High-Entropy Alloy

A class of metallic alloys composed of four or more principal elements, typically refractory metals, that exhibit high-entropy effects and exceptional mechanical stability at elevated temperatures. / 一种由四种或更多主要元素（通常是难熔金属）组成的合金类别，表现出高熵效应并在高温下具有卓越的机械稳定性。

Knowledge type: 自然理论
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-10-23 18:00:55

Sub-knowledge points

High-entropy effectLattice distortionSluggish diffusion kinetics

Higher-order knowledge points

High-entropy alloysWear-resistant coatings

Main parameters and performance indicators

Composition: Typically 5 or more elementsElements: Refractory metals (e.g., W, Mo, Nb, Ta)Structure: Single-phase solid solution

Open problems

Long-term stability under cyclic thermal loadsOptimization of processing parameters for large-scale production

Related literature

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Manufacturing wear-resistant W-based refractory high-entropy alloy coatings through heat treatment-driven microstructural evolutionOpen source

难熔高熵合金

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

Related products and links