这不仅提高生产率,而且能减少被割零件的变形量和割缝区的热影响区域。
This not only increase productivity, and cut parts can reduce the deformation and cut the heat affected zone seam.
激光表面处理具有非接触加工、能源清洁、热影响区域小、便于自动控制等优点。
Compared with other surface processing technology, laser surface processing has many advantages such as non-contacting, clean energy, small heat affected zone and easy to auto-control.
仿真结果验证了声光调Q脉冲激光修锐树脂cbn砂轮时热影响区域和热积累小的特点。
Numerical simulation results confirm that dressing of resin-bonded CBN grinding wheels by AOQ-switched nd: YAG pulse laser has characteristics of little heat accumulation and small heat effect zone.
城市的扩展、能源的消耗和自然环境的破坏给城市区域微热环境造成了消极影响。
With the city expanding, energy consumption and environment destroying show negative effect on the thermal micro-environment of urban areas.
本文研究了热形变工艺参数对奥氏体晶界和晶内不同区域的形变程度不均匀性的影响。
This paper researches the influence of technology parameters of hot deformation on the nonhomogeneous deformation between the austenitic grains and different zones within the grains.
研究了X80级管线钢焊接热影响区不同区域的韧性分布。
Toughness distributions of different area on HAZ of grade X80 pipeline steel have been studied.
结果表明,细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大,改善该区域的韧性。
The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.
土壤含水静态传热实验,目的在于探讨土壤含湿程度对传热能力的影响,以及地下含水程度对换热区域换热性能的影响。
Steady-state wet soil experiments were carried out to study the effect of the soil humidity on the temperature and the capacity of heat exchanged.
第三,对校园内新建的高层建筑——主教楼所在区域进行了春夏两季的实测与模拟,从风场、建筑阴影和空调散热三个方面分析了高层建筑对小区域热环境的影响。
Thirdly, we study the temperature and wind field around the newly-built high-rise building(main teaching building) in Chongqing University campus A in spring and summer by testing and simulation.
环境侧风对直接空冷凝汽器影响机理的研究、换热恶化区域的准确定位为采取有效的防风措施指明了方向。
The influence mechanisms of environmental crosswinds and the exact location of heat transfer deterioration areas point out the direction for the precautions.
热影响区大部分保留了母材的原始组织特征,小部分区域发生了重熔。
Most of the heat affected zone retained original structure characteristics of the base metal, and only a fraction of the zone remelted.
与母材相比,焊接后的试样抗拉强度减小了大约20 ~ 30%,试样在软化区发生断裂,该区域通常是热影响区。
Reduction of UTS of about 20-30% with respect to base material occurred with rupture in the softened zone of welding, usually HAZ.
建立了描述直通式辊底炉炉内换热的长炉模型,应用预解区域法解算其辐射换热,提出了新的“显式”迭代法,对直通式辊底炉的设计和操作参数的影响进行了数值分析。
The thermal transfer model inside the furnace is established, the thermal radiation transfer solved by use of the presolving zone method, a new "explicit" iteration method presented, and numerical…
建立了描述直通式辊底炉炉内换热的长炉模型,应用预解区域法解算其辐射换热,提出了新的“显式”迭代法,对直通式辊底炉的设计和操作参数的影响进行了数值分析。
The thermal transfer model inside the furnace is established, the thermal radiation transfer solved by use of the presolving zone method, a new "explicit" iteration method presented, and numerical…
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