如需重新获得资质，则该焊工需要遵照QW- 301和QW - 302的要求，在一个板材附件试片，或一个管材附件试片上，进行焊接试验。
Renewal of qualification may be made for any process by welding a single test coupon of either plate or pipe, and by testing of that coupon as required by QW-301 and QW-302.
镁合金(AZ31B)板材的成形性能可以通过热拉深试验来进行观察评估。
Formability of magnesium alloy (AZ31B) sheets can be investigated by thermal deep drawing experiments.
介绍落锤冲击试验方法，列举ABS板材和PVC硬质塑料板材的试验实例和计算。
The paper introduces the method of drop impact test and cites the test examples and calculation for ABS and PVC rigid plastics plates.
以氦-氩混合气体为保护气氛，采用正交试验和方差分析的方法，对AZ31镁合金板材进行了TIG焊工艺参数的优化。
Taking the He-Ar mixed gas as protected atmosphere, TIG welding process parameters for AZ31 magnesium alloy plates was optimized by using the method of the orthogonal experiment and variance analysis.
通过对铝合金板材进行的化学转化膜及膜结构的研究试验，对比了铝合金板与冷轧钢板磷化的异同点。
The difference of phosphate coating between aluminum alloy sheet and cold rolled sheet is compared by the test of chemical converted film and its structure on the surface of aluminum alloy sheet.
本文根据液压胀形的特点，利用塑性变形原理，提出评定板材成形性能的液压胀形试验法。
According to the character of hydraulic bulge and the theory of plastic deformation, a testing method of hydraulic bulge to evaluate the forming property of sheet metals is put forward.
介绍了在保温板材与基层的粘结强度现场拉拔试验中粘结剂的选用。
Selection of adhesive for bonding strength fi eld pull-out tests of thermal insulation layer and substrate was introduced.
铝及铝合金。试验方法。板材和带材的凸耳试验。
Aluminium and aluminium alloys. Test methods. Earing test for sheet and strip.
通过极限拉伸比试验，研究了轧制、退火、拉伸温度、拉伸速度、拉延间隙以及压边力等工艺因素对镁合金板材成形性能的影响。
Through the limiting drawing ratio tests, the influences of rolling, annealing, blank holder force, drawing gap, drawing temperature and speed on the forming performance were investigated.
方板对角拉伸试验即y BT模型是日本冲压行业著名学者吉田清太提出的评价板材冲压成形性能的著名试验。
Yoshida Buckling test (YBT) which has been developed by Japanese famous scholar Yoshida is a notable test for appraising the sheet stamping formability.
通过镁合金板材温热拉深试验确定适合板材成形的温度范围，分析了压边力对坯料成形质量的影响，选择适合成形的工艺条件来有效避免工艺缺陷的产生。
The optimum forming temperature range was determined, and the effects of blank holder forces on the workpiece quality were analyzed through the warm deep drawing experiments of magnesium alloy sheets.
用曲线形电极法测定电绝缘柔性薄板材料的耐热性的试验方法10。
Test Method for Thermal Endurance of Flexible Sheet Materials Used for Electrical Insulation by the Curved Electrode Method 10.
将转角传感器测量曲率半径方法应用于板材滚弯加工过程的成形检测之中，论述了采用转角传感器测量板材曲率半径的原理及其测量方法，通过试验研究分析得出该测量方法的优越性及造成测量误差的主要原因。
In this paper the method of volving angle sensor measurement of curve radius is used to examine the plate forming curve in the process of forming and its′ principle and methodology is explained.
本文对泡沫铝芯体夹层板材的准静态和动态力学性能进行了试验研究。
The quasi-static and dynamic compression mechanical properties of sandwich panel with aluminum foam core have been studied in this paper.
利用正交试验法研究了竹材刨花板热压曲线中各因素与板材的静曲强度、弹性模量及平面抗拉强度间的关系。
This paper dealt with the relationship between hot pressing parameters and mechanical properties (MOR MOE and IB) of bamboo particle board by the orthogonal design method.
试验研究了退火温度、 保温时间对5A01-O合金板材组织与性能的影响，确定了合理的退火工艺制度。
The effects of annealing institution on properties and structures of 5A01-O aluminium alloy sheets are researched.
试验表明，它用于水下破解冰冻物品、高分子板材焊接和瓶装液体除气方面是可行的。
The applied tests in water by the lance at ice-out and-breaking, plastics-welding and gas-freeing of liquid demonstrated that the cavitation field lance is available for above processes.
试验结果表明：胶粘剂和防水剂的添加量、热磨和热压条件对板材性能有显著影响。
The results showed that the panel properties can be obviously affected not only by the parameters of defibering and hot-pressing, but also by the amount of adhesive and water-repellent agent.
通过极限拉伸比试验，研究了轧制、退火、拉伸温度、拉伸速度、拉延间隙以及压边力等工艺因素对镁合金板材成形性能的影响。
The geometric characteristics and factors influencing on it for the cone shell in the process of the deep drawing are discussed.
针对传统的高锰钢作为履带板材料在实际应用中的不足，试验采用了一种新型的铸造低合金高强度耐磨钢替代。
A kind of new low-alloy steel with strength was studied to overcome the deficiency of traditional high-manganese steel used in making creeper truck.
针对传统的高锰钢作为履带板材料在实际应用中的不足，试验采用了一种新型的铸造低合金高强度耐磨钢替代。
A kind of new low-alloy steel with strength was studied to overcome the deficiency of traditional high-manganese steel used in making creeper truck.
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