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反常霍尔-佩奇效应
释义
反常霍尔-佩奇效应
Encyclopedia
理学
纳米晶体材料力学
释
abnormal Hall-Petch relationship
反常霍尔-佩奇效应
当金属材料特征结构尺寸(通常指晶粒尺寸)低于某一临界尺寸(十几或几纳米)时,随特征结构尺寸的减小,材料硬度(或强度)保持不变或不断降低的现象。又称反常霍尔-佩奇现象。通常情况下,随金属材料特征结构尺寸的减小,材料硬度(或强度)不断增加的现象,称为霍尔-佩奇现象。
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automatic logistics for aircraft materiel
automatic logoff
automatic main steam valve
automatic marine environment monitoring on buoy
automatic marine station
automatic measurement and test
automatic measuring machine
Automatic Meridian Circle
automatic meteorological station
automatic meterology station
automatic meter reading system
automatic model acquisition
automatic monitoring of water conservancy project
automatic monitoring on-line for polluted water
automatic monitoring system for ambient air
automatic motorcycle
automatic multi-document summarization
automatic navigator
automatic observatory
automatic on-line monitoring of water discharge in coastal nuclear power station
automatic ore-drawing
automatic parallelization
automatic parking system
automatic patrol telescope
automatic phase control
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