考察了金属化工艺、镀镍及镀后热处理对接头剪切强度和钎焊效果的影响。
Influences of the metallizing technologic conditions, Ni plating and subsequent annealing on the joint shear strength were investigated.
角刚度(又称弹性比力矩)及弹性件在最大摆角下的剪切应变是固体发动机柔性接头设计的重要指标。
Angular stiffness and elastomer shear strain on maximum swinging Angle are important indexes in flexible joint design of solid rocket motor.
微型剪切试验为铝合金焊接接头力学性能的评定提供了一个新途径。
The micro shear test could give a new way to evaluate the mechanical properties in weld joint of aluminium alloy.
在相同结构和装药量的条件下,复合射孔在井下作业能够产生较高的枪内压力,容易引起接头的剪切脱落失效。
Under the conditions of similar structure charging rate, higher pressure in the perforators can be produced in downhole operation by using combined perforation, failure would be caused in its joints.
采用自制的装置研究了在环氧胶中加入不同磁特性的填料后,对经磁场处理钢-环氧胶接头剪切强度的影响。
The influence of fillers in epoxy adhesives with different magnetic characteristic is investigated through exposure the single lap joints to magnetic field using the device made by authors ourselves.
通过对钎料润湿性的研究确定钎焊试验的温度和时间范围;通过剪切试验研究了钎焊工艺参数对接头强度的影响。
The temperature and time range of brazing through the wetting experiment were confirmed, and the effect of brazing conditions on the joint strength through the shear experiment was discussed.
结果表明,随着间隙长度的增加,接头的承载能力趋于减小,但接头的实际剪切强度却持续上升;当间隙长度继续增加时,接头的实际强度趋于下降。
Results from the experiment show that the load bearing ability of the single-lap joint decreases as the length of the gap increase but the actual shear strength is increased in same time.
结果表明:合适的压力和中间层厚度能有效改善接头的组织和力学性能,接头剪切强度随保温时间延长而提高。
The results show that proper pressure and interlayer thickness can evidently improve the microstructure and mechanical properties, and the shear strength of joint is increased with the holding time.
通过优化搭接焊形式能提高焊接接头的最大剪切力。
The maximum shear strength of welded joints can be increased by optimizing the form of lap welding.
结果表明:X70管线钢焊接接头热影响区冲击试样的冲击功与断口剪切面积基本成线性比例关系,冲击功越高,剪切面积越大。
The results indicated that impact absorbed energy of heat-affected zone in welded joint of X70 pipeline steel were proportional with shearing area on the whole.
同时还可以显著提高钎焊接头的抗剪切强度。
The shearing strength of the brazed joint can be also greatly strengthened.
研究了不同搭接接头形式,胶粘剂毛边和拉伸剪切强度的测试方法对拉伸剪切强度的影响。
The effects different joint forms, queer out and the measuring ways on tensile sheer strength are studied in the paper.
最后分别对3种方法进行了测试试验。结果表明,3种试验方法均能有效测试爆炸复合接头的剪切强度,其中对称试件双切口拉伸法最适合实际应用。
Results shows that all these three methods can be used to measure the shear strength of explosion cladding interface, and the most practical one is the double-notch method using symmetry specimen.
结果表明,一定时间的热循环会造成LF6铝合金焊接接头断裂机理的改变,由未经热循环时的纯剪切型断裂,逐渐过渡成微孔聚集型断裂。
The results show a certain time thermal cycle can cause the fracture mechanism change. It varies from original pure shear fracture to microvoid coalescence fracture gradually.
同时用微型剪切试验研究了几种铝合金焊接接头的自然时效的微区性能变化和焊接规范对铝合金焊接接头性能的影响。
At the same time, using the micro-shear test result to study the micro-performance changes in natural aging of several Al-alloy joints, and the influence of Al-alloy joint by welding parameters.
在同等焊接工艺下,国产钢板点焊接头的剪切强度高于瑞典钢板点焊接头,国产钢板点焊接头的显微硬度略低于瑞典钢板。
Under the same welding process, the shear strength of domestic spot welding joint is higher than Swedish, but the microhardness of the domestic is slightly lower than the Swedish plates.
采用剪切球座配合接头,能够确保投球从地面投放或送入到位;
Shear sleeve adapter allows ball to be run in place or dropped from surface;
采用剪切球座配合接头,能够确保投球从地面投放或送入到位;
Shear sleeve adapter allows ball to be run in place or dropped from surface;
应用推荐