查询词典 austenite

This process is makes the improvement in the original two person two-sided synchronized GTAW process which one time welding two-sides formings, we have carried on a series of welding testing on 8mm SUS304, this new process has be able to decrease weld defects on the tradition two person on both sides synchronized GTAW process, shortenned construction work period, increase welding quality, as well as eliminate tradition two person on both sides synchronized GTAW for SUS304 austenite stainless steel in easy emergence of incomplete joint penetration and porosity.

此工艺是在原有的双人双面同步钨极氩弧焊工艺基础上进行的，即将原有的一次焊双面成形改为两次焊成形，经过在厚度为8 mm的SUS304上进行的一系列焊接工艺试验，验证了这项新工艺既减少了传统工艺中繁琐的工艺过程和焊接工艺缺陷，缩短了施工工期，提高了焊接质量，又消除了传统8 mm SUS304不锈钢双人双面同步钨极氩弧焊过程中易出现的未焊透和咬边现象。

This article has mainly studied one kind improved two person two-sided synchronized GTAW craft for the austenite stainless steel. This craft makes the improvement in the original two person two-sided synchronized GTAW craft foundation which one time welding two-sides formings. A series of welding engineer testing on 8 mm SUS304 were carried on. The new craft could guarantee the welding quality in contrast with the original two person two-sided synchronized GTAW.

主要研究了一种改进了的奥氏体不锈钢的双人双面同步钨极氩弧焊工艺，此工艺是在原有的双人双面同步钨极氩弧焊工艺的基础上进行的改进，即将原有的一次焊双面成形改为两次焊成型，并在厚度为8 mm SUS304上进行了一系列焊接工艺试验，验证了这项新工艺与常规双人TIG双面焊相比，能保证焊接质量。

The results show that the fatigue fracture of the axis resulted from the sharp angle and the rough surface knife trace of the key slot and were accelerated by the badness metallurgy quality and the coarse austenite grains.

结果表明，中间轴断裂疲劳源起源于键槽尖角和表面粗糙的刀痕，而原材料冶金质量不良和粗大的奥氏体晶粒则加速了疲劳断裂过程。

The retained inclusions of manganese sulfide and aluminum oxide, however, were responsible for the deterioration in the pitting resistance of the austenite phase.

然而残留的硫化锰和氧化铝的夹渣物，对於具抗孔蚀佳的沃斯田铁相有较大的伤害影响。

The characteristics and trends in material research／development at present are discussed,focusing on the new progress in material research done by the Institute of Metal Research CAS.What were studied include ultra-high strength maraging steel,nickel-free austenite stainless steel for medical applications.coronary artery bracket for drug's slow release,antibiotic stainless steel and metal hydride for the use of air conditioner.

摘 要：首先分析了材料研究与发展中呈现出的新特点和新趋势，着重介绍了中国科学院金属研究所相关课题组近年来在超高强度马氏体时效钢、新型医用无镍奥氏体不锈钢、缓释药物冠动脉支架、抗菌不锈钢、金属氢化物空调等新材料及新材料技术方面的研究新进展。

Due to very short time in welding and the large cooling rate of the joint, the transformation of austenite in the nugget suppresses, and the microstructure of the nugget refines remarkably, the microstructure of HAZ uncharges.

由于储能焊极短的焊接时间和大的冷却速率，熔核中奥氏体组织来不及长大，使得接头组织得到显著细化，热影响区组织未发生明显变化。

The made grinding ball has needle like bainte as main component, small amount of martensite and residual austenite, average surface hardness of HRC 56-58, average volume hardness of HRC 50-55, impact toughness of 16-20 J/sq cm and excellent comprehensive mechanical performance.

所制备的磨球组织主要为针状贝氏体及少量马氏体和残余奥氏体，磨球的表面平均硬度HRC56～58，平均体积硬度HRC50～55，冲击韧性α k 值在16～20J/cm 2 ，落球次数＞20000次，具有非常好的综合力学性能、耐磨性和冲击疲劳寿命。

The nitrided layer formed on the surface of stainless steel consists of a nitrogen supersaturated austenite which is maintained to very high nitrogen concentrations and is of high hardness and good corrosion resistance.

与一般离子渗氮不同的是，这些新方法是在真空度较高、温度较低的条件下进行渗氮，可以充分地利用离子的能量提高渗氮效率。

The effect of hot deformation on transformations from work-hardened austenite to ferrite, pearlite and bainite is emphatically analyzed.

可以认为，该模型可用于分析热轧及加速冷却工艺参数和钢种化学成分对轧后产品组织状况的影响。

The behavior of austenite dynamic recrystallization and dynamic transformation within the temperature range of 1100~750℃ was studied for a low carbon steel with a composition of 0.18C-0.22Si-0.60Mn.

对成分为0.18C-0.22Si-0.60Mn的低碳钢在1100~750℃之间的奥氏体动态再结晶及动态相变行为进行了研究。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。