基于各向同性弹塑性损伤假定和应变等效假设，采用重复拉伸的试验方法，得到了焊缝金属的损伤演化规律。
Based on the adoption of elastoplastic damage theory and effective strain assumption, weld metal coupons were tested under repeated pull and their damage evolution law was determined.
通过对钢筋与金属套筒之间采用植筋胶粘结的拉伸抗剪试验，探讨了植筋胶的粘结机理和拉伸抗剪破坏模式。
Through pullout tests for shear resistance of the adhesive steel bar in the metal tube, the bond principals and failure modes of adhesives are studied.
焊接接头的拉伸试验断裂部位在焊缝。焊接HAZ熔合线附近的硬度值最高，远离熔合线硬度降低，并逐渐接近母材金属的硬度。
The tensile test fracture area locates on weld seam, and the hardness near HAZ fusion line is the highest, away from the fusion line, the hardness declines and reach the parent metal hardness.
采用金属材料微元屈服极限随机分布模型，计算出每次循环产生的微观塑性应变，并与用单调拉伸试验确定的材料真实断裂延性联系起来。
Randomly distributed models of micro-plastic strains were used to calculate the micro-plastic deformation produced at each cycle of the steel under high cycle fatigue test.
研究了静拉伸试验时铁磁构件的金属磁记忆效应。
The magnetic memory effect of ferromagnetic items under the condition of static tension was studied.
分析了电子引伸计应变测量误差形成的主要原因，以及对金属材料拉伸试验强度测试的影响，介绍了引伸计使用中的一些经验和注意事项。
The main cause of error of strain measurement using electronic extensometer and its effects on the strength measurement in tensile tests of metallic materials was analyzed.
本产品主要用于各种金属、非金属材料进行拉伸、压缩、弯曲及剪切等试验。
This product USES for primarily every kind of metals, nonmetal material proceeds to pull to stretch, compress, flection and shear to slice etc. experiment.
高频疲劳试验机属于金属材料试验机，是一种主要用于测定金属及其合金材料在室温状态下的拉伸、压缩或拉压交变负荷的疲劳性能试验的机器。
High-frequency fatigue tester, which belongs to metal material tester, is used to measure the fatigue performance of drawing, compressing of metal material and its alloy in room temperature condition.
本试验机适用于金属材料及构件的拉伸、压缩、弯曲、剪切等试验，也可用于塑料、混凝土、水泥等非金属材料的同类试验的检测。
Use: The machine is mainly used to inspect pulling, comprseeing, folding andcutting metal and nonmetal. It can also be used to nonmetal material such as plastic, concrete and cement.
介绍了金属材料试样制备与拉伸试验结果的相关性。
The relativity of specimen preparation and mechanical testing result was introduced.
介绍了金属材料试样制备与拉伸试验结果的相关性。
The relativity of specimen preparation and mechanical testing result was introduced.
应用推荐