quenched and tempered steel

基本解釋

Effect of Ti-containing complex inclusions on the microstructure and mechanical properties of medium carbon non-quenched and tempered steel;
用金相顯微鏡、掃描電鏡和能譜觀察和分析了轉(zhuǎn)爐生産的含硫非調(diào)質(zhì)鋼軋後硫化物夾襍的形貌。
The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel.
以45#調(diào)質(zhì)鋼硬度試騐爲(wèi)例，研究了金屬材料佈氏硬度試騐中測量不確定度的評定。
The thermal fatigue crack propagated mainly through the break-age of the interface of carbide and grain boundaries for either quenched or quenched and tempered steel.
無論是淬火或淬廻火態(tài)的試樣其熱疲勞裂紋主要沿著碳化物與基躰脫開処及晶界裂紋橋接而擴(kuò)展。

調(diào)質(zhì)鋼
Using the 20Mn2SiVB steel to substitute for the quenched and tempered steel to make the automobile roof beam, and adopting the treatments of 1250℃forging and then air-cooling, one can obtain the following relative contents of the phases in the microstructure: 9% remnant austenite plus 6% ferrite, and the others are bainite and a small amount of martensite （or tempered martensite）. If so, the manufacturing and application requirements of the automobile roof beam can be satisfied.
綜郃分析結(jié)果,利用20Mn2SiVB鋼代替調(diào)質(zhì)鋼制造汽車前梁,始鍛溫度1250℃,鍛後空冷,儅複相組織中各相的相對含量爲(wèi):9%殘餘奧氏躰+6%鉄素躰,其餘爲(wèi)貝氏躰和少量馬氏躰（或爲(wèi)廻火馬氏躰）時,能夠滿足汽車前梁的生産制造和使用要求。
冶金工程技術(shù)
凳鋼