用微分热分析-液淬法研究几种常用合金元素对奥氏体枝晶形成与长大形态的影响。
The effect of some common alloying elements on austenite dendrites forming had been analyzed by differential thermal-liquid quenching analysis.
磨削淬硬是利用未淬硬钢零件磨削加工中产生的热—机械复合作用直接对其进行表面形变淬火的新工艺。
A new surface deformation quenching process which utilized the composite thermal and mechanical effects generated in grinding to harden the surface of work-piece is introduced.
分析了大小样品在液氮中的淬冷沸腾换热特性。
This paper analyzes the characteristics of quenching boiling of small and large samples in nitrogen.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
本文将高匹配焊缝或热影响区(haz)淬硬层中含纵向裂纹的焊接接头简化为硬夹层含平行裂纹的力学不均匀体模型。
In the paper welded joints with a crack in transverse overmatched weld or HAZ were simplified into a model in which a transverse hard layer contains a crack parallel to the interfaces.
对熔模铸件孤立热节热型壳进行了浇注前及浇注后局部水淬激冷试验。
Experiments for hot mold shell with isolated hot spot by local water quenching in investment casting before and after pouring were conducted.
无论是淬火或淬回火态的试样其热疲劳裂纹主要沿着碳化物与基体脱开处及晶界裂纹桥接而扩展。
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.
本文应用微分热分析液淬法研究了不同蠕化率蠕铁的一次结晶过程。
Using differentiated thermal analysis quenching method, the solidification process of CG cast iron with various percentage of compacted graphite particles is investigated.
本文应用微分热分析液淬法研究了不同蠕化率蠕铁的一次结晶过程。
Using differentiated thermal analysis quenching method, the solidification process of CG cast iron with various percentage of compacted graphite particles is investigated.
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