焊接接头

The corrosion behavior of austenite stainless steel weld joint in the different acidic medium was studied.

研究了奥氏体不锈钢焊接接头在不同酸性介质中的腐蚀行为。

The results showed that the tensile strength of the joint was lower than base metal.

结果表明：焊接接头的拉伸强度低于母材。

By using elasto-plastic finite element calculation and three point bending test,the in-fluence of strength matching and crack depth on fracture properties are investigated.

利用弹塑性有限元计算和三点弯曲试验对不同裂纹深度、不同强度组配焊接接头试样的断裂性能进行了研究。

Taking a welded T-joint as computing example,the forming mechanism of fillet weld's angle distortion was studied by combining thermal elastic plastic analysis with mapping strain component method.

以T形焊接接头为算例，结合热弹塑性有限元法和映射应变分量法，研究了角焊缝角变形的产生机制。

The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied.

研究了超细晶粒钢筋焊接接头的组织和力学性能。

Meanwhile, the microstructures and mechanical properties of friction welded drill pipes have been compared with those of hot-upsetting drill pipes.

试验结果表明，采用摩擦焊接及焊后调质热处理工艺制造的DZ60地质钻杆焊接接头的常规力学性能指标均高于地矿部DZ60地质钻杆管材的技术标准规定的数值，并优于采用现行热墩粗工艺制造的钻杆管材的力学性能数值。

Te microstructure of resistance spot welding decide performance of nuclear fusion in welded joint, the performance of nuclear fusion decide welding quality.

摘 要：电阻点焊的组织决定焊接接头熔核的性能，熔核的性能决定焊接的质量。

A wire for submerged-arc welding against seawater corrosion is developed. The test results indicates that the joint welded with the wire matched with 350 type flux has a good combination of mechanical properties. The wire is suitable for ship hull steel welding.

研制了一种耐海水腐蚀的埋弧焊丝，该焊丝配用350焊剂进行施焊，焊接接头具有优良的综合力学性能，满足了船体钢的焊接要求，填补了该强度级别耐海水腐蚀船用焊丝的国内空白。

It is doubtless that the research on damage behavior and ductile fracture of weldments with mechanical heterogeneity is practically significant for the assessment of the integrity of welded structures.

研究焊接接头这种力学性能不均匀体的损伤行为及韧性断裂，对于焊接结构的安全性评定，具有重要的理论与工程实际意义。

RESULTS: Absolute elongations were reduced no matter what joining methods were used.

结果：无论何种焊接方式焊接接头的伸长量均明显下降。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。