Effect of laser welding parameters on formation of cold-worked die steel weld metal

激光焊接参数对冷作模具钢 焊缝 表面 成形的影响

Filler rods for gas welding of mild steels and low alloy high tensile steels - Determination of mechanical properties of deposited weld metal

软钢、低合金高强度钢气焊用焊条－－ 堆焊 金属的力学性能的测定

Effect of Nb and V in high carbon steel weld metal

铌和钒在高碳钢质 焊缝 金属中的行为

The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal .

结果表明，锆的加入增加了 焊缝 金属中针状铁素体的含量，改善了 焊缝 金属的微观组织。

Secondary acicular ferrite nucleation growth refining the original grain further improve the weld metal toughness .

二次针状铁素体的形核、长大，进一步细化了原晶粒，提高了 焊缝 金属的韧性。

The deposited ferritic weld metal shall not contact the austenitic or high-chromium steel cladding .

熔敷的铁素体 焊缝 金属不应与奥氏体或高铬钢复层接触。

Effect of nickel on solidification cracking in low C low alloy steel weld metal

镍对低碳低合金钢 焊缝 金属凝固裂纹敏感性的影响

Relationship between welding parameter and filling quantity of weld metal in steel bridge welding ;

悬索桥钢箱梁桥位 焊接施工环境较差，桥 位 焊接质量、精度控制十分关键。

The application of active infrared technology eal-time and on-line weld metal detection

主动红外技术在实时在线 焊缝检测系统中的应用

Addition of activating agent has no obvious effect on fracture toughness of weld metal .

添加活性剂对 焊缝 金属的断裂韧性没有明显作用。

The microstructure of weld metal was analyzed with optical microscope and the morphology of joint fracture was observed by SEM .

利用光学显微镜观察分析不同参数条件下 接头 区域 的 金相组织；

Superplastic Behavior of Weld Metal by Friction Stir Welding

搅拌摩擦焊接 焊缝 金属的超塑性行为

Difference of impact absorbed energy between butt weld metal and deposited metal

对接 焊缝 金属和熔敷金属冲击吸收功差异的探讨

Fracture toughness of heat-affected zone ( HAZ ) was between the base metal and weld metal .

焊接热影响区的断裂韧性介于母材和 焊缝 金属之间。

In this paper the effect of copper content on the weld metal toughness in SAW of HSLA steels was studied by changing the copper content in welding wire .

采用埋 弧焊方法，通过改变焊丝铜含量来改变 焊缝 金属中的铜含量，研究铜对高强度低合金钢 焊缝 金属韧性的影响。

The amount of the acicular ferrite and hardness of the weld metal increase as Cu content increasing .

随着 焊缝铜含量的增加，针状铁素体数量增加， 焊缝显微硬度增大。

Study on the Effect of Alloy Elements on Hot Cracking Susceptibility of Magnesium Alloy Weld Metal

合金元素对镁合金 焊缝热裂纹敏感性影响的研究

By using multi-layer multi-pass welding weld metal to improve the plasticity grain refinement of the organization .

通过采用多层多道焊，提高 焊缝 金属的塑性，细化了组织晶粒。

It was also found out that proper Re element addition could increase the toughness of the weld metal and improve its microstructure by grain refinement .

适量的稀土元素可改善 焊缝 金属组织的形态、细化晶粒、提高韧性。

The transformation conditions and natures of acicular ferrite in the weld metal of microalloy steels were analyzed systematically .

系统地分析了微合金钢 焊缝 金属中针状铁素体组织的形成条件及特点，对夹杂物粒径、数量进行了统计分析，并阐述了针状铁素体的形核位置。

Use a blast cleaner or power tool to remove weld flux slag weld metal spatters weld flux fume deposits rust and damaged paint film in welded areas .

通过喷砂或电动工具除去焊渣、飞溅 焊烟、锈迹和焊接部损坏的漆膜。

Weld Reinforcement : Weld metal in excess of the quality required to fill a weld groove .

超出质量要求的填充焊缝坡口槽所需的 焊缝 金属。

Research on Organize and Property of Ceramic Phase Strengthening Ferro-base Weld Metal Overlay

陶瓷相增强铁基耐磨 堆焊层组织与性能的研究

To simulate the effect of the defect on performance of steel structure damage evolution law of weld metal must be predefined .

为了模拟这些缺陷的发展对结构性能的影响，需要知道 焊缝 金属的损伤演化规律。

The impact absorbed energy of weld metal is higher under lower weld porosity ratio .

减少焊缝气孔率可以适当提高 焊缝的冲击韧性。

The fracture behaviour of weld metal of ferrite-austenite duplex stainless steel was investigated by constant deformation rate tensile test .

用恒变形速率拉伸试验方法研究了铁素体奥氏体双相不锈钢 焊缝 金属的断裂行为。

A method about improving the crack resistance of weld metal and reducing structure stress during welding process i.e.hammering welds and watered rapid cooling after welding was obtained .

研究出了提高 焊缝 金属抗裂性能及降低焊接过程结构内应力的工艺方法&焊后捶击焊逢并浇水快速冷却。

Influence of the relative width of weld metal and strength of weld metal wes researched .

研究了 焊缝 金属相对宽度和 焊缝 金属强度对接头性能的影响。

Effect of rare earth oxide on microstructure and mechanical properties of weld metal and its mechanism ;

研究了稀土氧化物对人造 金刚石 用 顶 锤使用 寿命的影响。