查询词典 welded joint

High purity aluminum or allumen (including 1% Zn, mass fraction) alclad on 2024 aerolite is usually employed for improving corrosion resistance. This alclad will greatly impact the mechanical properties of friction stir welded joint.

为提高2024航空铝合金材料的抗腐蚀性能，在其表面通常包有一层高纯铝或含Zn 1%的锌铝合金，包铝层在搅拌摩擦焊时会对接头的性能产生较大的影响。

In order to ensure the use safety of pressure container, we must test the welded joint angularity and stagger joint.

为了保证压力容器的使用安全，必须检测焊接棱角度和错边量。

Welding of the welded joint was formed at the protruding steel Broacher be flat, so flat iron look natural.

焊接时形成的焊口处的突起需用钢锉锉平，使铁艺看起来平整自然。

On the other hand,the cupronickel welded joint formed by using cupronickel rod had better corrosion resistance in seawater due to the microstructure of Cu-Ni-Zn ternary alloy solid solution with single-phase structure of α.

海水系统主要采用铜及铜合金制造，其优点是耐海水腐蚀和抗污损能力强，维修次数少，全寿命成本低，可靠性高，因此在船舶等行业得到了日益广泛的应用[1~6]。

The brass welded joint with α+β phase was subject to corrosion in seawater as a result of dezincification.

1引言海水系统是船舶、海上油气田、海滨电厂和近海工厂常用的冷却系统。

The mechanical effect of the crack initiation and propagation under a residual stress field is analyzed, and then the residual stress redistribution because of cracking in the welded residual stress field in a plate butt welded joint is successfully calculated by means of the elasto-plastic finite element method .

分析了在残余应力场中裂纹产生和扩展所引起的力学效应，并成功地运用弹塑性有限元方法计算了平板对接接头焊接残余应力场中裂纹扩展引起残余应力的变化。

The suitability of the different processes was analyzed by observing the weld appearance,studying the microstructure and measuring the mechanical properties of the joint.The results show that a favorable weld can be obtained under the suitable parameters by laser beam welding or tungsten inert gas welding with filler metal.The TIG welded joint has a wider HAZ,and the laser welde...

试验结果表明：在工艺参数合适的条件下，加焊丝TIG焊和激光焊均能获得成形较好的焊接接头；TIG焊接头热影响区较宽，焊缝深宽比小，而激光焊时热影响区不明显，焊缝深宽比大；两种焊接方法所获得的焊缝区组织均为均匀的等轴晶，但激光焊时焊缝组织更细，从而使接头抗拉强度大幅度提高，达到母材的94%左右。

ZL117, LF21 and LY16 aluminum alloys were welded using the as-cast rod by TIG welding. The tensile properties, hardness and wear resistance of the wire and welded joint were tested.

以L401为焊料，用TIG对焊LY16、 LF21，堆焊ZL117，分析了对焊接头的硬度、抗拉强度和堆焊层的耐磨性。

This article has studied HG70 steel and HS-70 welding wires weldings,the welded joint,welding quality,and the welding operational performance,in restricts under the welding condition,Uses HS-70 welding wires,Experiments the steel plate the weld joint stretch,degree of hardness and the resilience test result indicated that,HG70 steel and HS-70 welding wires weld joints have the low crack sensitivity,The welding quality is good,Its weld joint has the fine mechanics performance,thus explained they had the fine welding match.

0前言非调质钢具有优良的使用性能和较低的生产成本，受到普遍重视。HG70钢是武钢开发的工程结构用钢，具有强度高、低温韧性好的特点。传统高强度钢一般碳当量较高，焊接性能较差。通过加入微量合金元素、采取新的控轧和调质工艺，使得HG70钢在提高强度的同时，亦保持了较高的韧性和较低的碳当量，因而从理论上讲HG70应具有较好的焊接性能，但HG70钢与HS-70焊丝的匹配情况，还有待于分析验证。

The welded joint of deeply rolled steel ,which was work-hardened, has softening zones of reerystallizaton. The tensile strength of the joint is not affected if the softening zones are narrow.

深度轧制钢激光焊接接头出现再结晶软化区，当软化区宽度较窄时，不影响整体接头强度。

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。