Calibrating magnetic instruments to measure the delta ferrite content of austenitic and duplex austenitic - ferrite stainless steel weld metal , procedures for 奥氏体和双奥氏体-铁素体不锈钢焊接金属中铁酸盐含量测试磁仪器的校准程序
The art of carving wood , chiseling stone , casting or welding metal , molding caly or wax , etc . into three - dime ional representatio , as statues , figures , forms , etc 通过对木头、石头进行雕刻，对金属加以铸造、焊接，或对泥、蜡加工制成的三维雕塑作品。
The art of carving wood , chiseling stone , casting or welding metal , molding caly or wax , etc . into three - dimensional representations , as statues , figures , forms , etc 通过对木头、石头进行雕刻，对金属加以铸造、焊接，或对泥、蜡加工制成的三维雕塑作品。
P > the art of carving wood , chiseling stone , casting or welding metal , molding caly or wax , etc . into three - dimensional representations , as statues , figures , forms , etc 通过对木头、石头进行雕刻，对金属加以铸造、焊接，或对泥、蜡加工制成的三维雕塑作品。
The art of carving wood , chiseling stone , casting or welding metal , molding clay or wax , etc . into three - dimensional representations , as statues , figures , forms , etc 通过对木头、石头进行雕刻，对金属加以铸造、焊接，或对泥、蜡加工制成的三维雕塑作品。
Jewelers also use lasers to weld metals together in milliseconds with no seams or blemishes , improving the quality and appearance of the jewelry 宝石工艺人员也使用激光在数毫秒的瞬间焊接珠宝金属部件，没有裂痕，没有污点，提升了珠宝的内在品质和完美外观。
The measuring element of the bimetal thermometer is a quick reacting bimetal coil . it is manufactured from two cold - welded metal strips with different thermal expansion coefficients and rotates in proportion to temperature 双金属温度计的测量元件是一个快速反应双金属线圈，由两根不同热膨胀系数的金属条冷焊在一起，根据温度比例旋转。
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On the basis of the experimental studies of low - cycle fatigue , performed on the bhw - 35 power plant boiler drum and 12crmov pressure piping respectively , the fatigue life evaluation methods are established in this paper . all studies can be concluded as follows . p - s - n curves of bhw - 35 steel and of its weld metal are obtained with the total stain controlled low - cycle fatigue test and the probability and statistic method 本文以电厂bhw - 35钢制造的410t / h锅炉汽包和电厂12crmov压力弯管作为研究对象，在获得实验数据的基础上，建立了一套较为完整的低周疲劳寿命分析方法，主要研究内容如下：在bhw - 35钢及焊缝材料总应变控制低周疲劳试验基础上，采用概率统计分析方法对实验数据进行分析，得到母材和焊缝材料的p ? s ? n曲线。
With the experiment of surface crack growth of bhw - 35 weld metal , the law of the surface crack shape variation when it grows was obtained , and the law of surface crack growth rate was also gotten . these direct the evaluation of the surface crack fatigue growth life and the critical value of its length 对bhw - 35钢焊缝材料进行表面裂纹扩展试验研究，得到裂纹的扩展形貌变化规律，并对其疲劳扩展寿命进行预测研究，为汽包下降管角焊缝部位的表面裂纹扩展寿命预测提供依据，同时也确定了其表面裂纹扩展的临界值。
