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- subcooling austenite 过冷奥氏体
- Furthermore, precipitate of Nb in deformed austenite is more helpful for DEFT. Nb对变形奥氏体再结晶的显著抑制作用十分有利于DIFT,同时,Nb的碳氮化物析出对DIFT是十分有益的。
- In this work, xW is about 11 times of the original austenite grains. 在本研究中,xW约为原始奥氏体晶粒大小的11倍。
- Other than austenite,copper element dissolution is found in material. 母材区除了奥氏体组织外,存在铜元素的扩散。
- With increasing tempering temperature, the retained austenite decreases. 回火温度升高,其残余奥氏体量逐渐减少。
- The flow doesn’t exhibit choking behavior at the inlet subcooling larger than a certain value. 结果分析表明:在欠热度高于一定值下流动未达到临界条件;
- If cylinder does subcool, close valve and allow cylinder to warm up.DONOT APPLY HEAT! 如果钢瓶没有过冷,关闭阀门让钢瓶升温。
- The parameter influences of subcooling, heat flux and inner diameter were considered to understand the possible physical mechanisms. 从过冷度、热流与管径等条件和变化,初步探讨了可能的物理机制,以确定沸腾驱动性能。
- And this is explained by the thermal equilibrium in the compensation chamber and the usage efficiency of the return liquid subcooling. 实验结果表明:采用两套互为备份环路热管的系统在小热载荷下存在启动和运行干扰的问题。
- It is discovered by test that micro RE can promote formation of austenite in cast iron with D form graphite, which can strengthen the cast iron matrix. 通过试验研究,发现微量稀土能促进D型石墨铸铁中初晶奥氏体骨架的生长,对强化基体组织有一定的作用。
- The important parameters (pressure, subcooling rate, entropy, Mach number, wetness fraction) have been compared according the time. 比较了压力、马赫数、熵、过冷度及湿度这几个重要流动参数随时间的变化。
- The effect of the structure of Austenite zone on the performance of gray iron welding joint is studied by means of thermo-simulated test in this paper. 摘要采用热模拟试验方法探讨了灰口铸铁焊接接头热影响区的奥氏体区组织对接头性能的影响。
- The results revealed that increasing either jet velocity or subcooling degreealways promotes the hot surface cooling rate. 实验结果表明,无论是增大工质过冷度还是提高射流速度,总会使得热壁面的冷却速率加大。
- The microstructure of isothermally-quenched ductile iron (ADI) is a mixture structure consisting of austenite plus acicular ferrite. 摘要等温淬火球铁的显微组织由奥氏体加针状铁素体的混合组织组成。
- An additional jet-pump(liquid-gas ejector)was used to subcool the refrigerant from condenser in this new system. 该循环系统引入了一个辅助的液体-气体射流泵,通过消耗少量泵功,对冷凝器出来的液体进行过冷。
- The proportion of austenite in the matrix of as-cast cast iron 290Cr26MoW increases but that of martensite decreases. 铸态290Cr26MoW耐磨白口铸铁基体的奥氏体比例增加,马氏体减少。
- The results show that the stainless steel (1Cr18Ni9Ti) coating is mainly composed of austenite and a little ferrite. 研究结果表明,不锈钢涂层(1Cr18Ni9Ti)具有层状结构特点,并含有一定孔隙和氧化物夹杂,涂层的相组成主要为奥氏体并含有少量的铁素体。
- At the earlier stage of eutectic, the enveloped or nor- enveloped frame austenite shell lias formed. 共晶前期石墨球局围形成封闭或不封闭的框架奥氏体壳;
- The material quality is ASTM A743M (ZG00Cr13Ni4Mo) the austenite stainless steel. 材质均为ASTM A743M(ZG00Cr13Ni4Mo)奥氏体不锈钢。 由于其一,它们的形状所致,在加工制造中给工件的装夹和翻身带来很大的难度。
- Abstract This paper describes the structure feature of the Vertical Channal up Mounting HP Heater with Suction Subcooling Zone and its welding &assembling procedure. 正置立式高压加热器的设计及组焊技术阎 磊 孙同英摘 要 介绍带虹吸式疏水冷却段的正置立式高压加热器的结构特点和焊接、组装工艺。