查询词典 weld metal

With increasing number of hot-wall hydroprocessing reactors and extension of service time, the occurrence of polythionic acid corrosion, hydrogen induced spalling of weld overlay, temper embrittlement of base metal, hydrogen embrittlement and surface cracking etc.

随着国产热壁加氢反应器的数量不断增加和服役时间的延长，连多硫酸腐蚀、堆焊层氢致剥离、母材回火脆化、氢脆、表面开裂等时效损伤出现的情况越来越多。

It introduces clearly UT inspection procedure and methods on submerged arc weld toe s indication,and also its effectiveness is verified with micro-metal analysis.

详细介绍了双面螺旋埋弧焊焊趾部位缺欠的超声检测工艺和方法，通过金相分析验证了其有效性。

To get a property comparison of GXHJ－ 1 sintered welding agent with SJ101 sintered welding agent, related tests were carried out, including deposited metal test, lab butt－ joint plate test, single－ welding stick operation test, double－ welding stick operation test as well as operation test with H08C welding stick, focusing differences of the two in terms of technological properties and weld seam impact toughness.

为了比较 GXHJ－ 1和 SJ101两种烧结焊剂的性能，分别从熔敷金属性能试验、实验室对接板试验、单丝焊生产、双丝焊生产等方面及在匹配 H08C焊丝的条件下进行了工艺性能和焊缝冲击韧性对比。

Generally in accordance with the strength of steel grades in the selection of the appropriate electrodes, but also need to weld steel, base metal composition of the transition, welded structural dimensions.

一般依钢材的强度等级来选用相应的焊条，同时还需要钢材焊接性，母材成份的过渡，焊接结构尺寸。

The first spray and second melting welding method is used to weld hard alloy powder or metal alloy powder on the reel and cone pulley of wire drawing machine and make reuse of the wear-resistance parts and reduce the cost.

介绍了喷涂的原理和技术要求，采用先喷后熔的喷焊方法，把硬质合金或金属合金粉末牢固的喷焊在需要修复的水箱拉丝机卷筒和塔轮上，使磨损件再次利用，降低了生产成本。

Since high carbon alloy steels is HRC 55~65 in hardness and 1.5%~2.5% in Carbon Equivalent, high-carbon-alloy-steel surfaced metals generally were selected in order to maintain high hardness and wear resistance of weld repaired layer, of which high-carbon Cr-Mo-W surfaced metal had been most widely used with 300~500℃ preheat or heat-treat after welding to improve its crack resistance.

由于高碳合金钢的碳当量高达1.5％～2.5％，硬度一般为HRC55～65，为了保证修复层的高硬度和耐磨性，焊接材料常选用高碳合金钢质堆焊金属，目前最普遍采用为高碳Cr－Mo－W系堆焊金属，但必须采用350～500℃高温预热焊和焊后热处理工艺措施以保证其具有一定的抗裂性。

The Company is responsible for people at high-frequency machine Through more than ten years of research and design, has been developed to create a series of applicable to all types of plastic / PVC, rubber, leather, Blister packaging high-frequency welding / fusing machine; trademark high-frequency equipment machinery, high-frequency metal weld / heat treatment machine ; high-frequency pipe machine; high-frequency synthetic resin preheating aircraft and other special plastics processing machinery.

本公司负责人在高周波机器上通过十余年的研究和设计，现已开发，制造出一系列适用于各类塑胶/PVC，橡胶，皮革，吸塑包装等高周波熔接/熔断机；高周波商标专用设备机械，高周波金属熔接/热处理机；高周波制管机；高周波合成树脂预热机以及其它特殊塑胶加工机械等。

Based on the Schaeffler diagram, a software that predicts the weld microstructure of dissimilar metal weldments is designed, and its application is illustrated with an example.

利用舍夫勒图，设计了一套软件，用它可以预测异种钢接头焊缝组织，并通过一个具体实例说明了该软件的应用。

Automatic detection of weld / parent metal interface and assessment according to complex criteria.

自动检测焊接/母体金属链接面和根据复杂基准进行评估

FXD increases the speed and quality of gouging operations dramatically, producing a trough in which the parent metal is exposed, almost totally free of slag or weld-back, and ready for welding.

FXD提高挖凿的速度和质量是显著的，在母材上加工一条明显的槽，几乎完全没有熔渣和韩背，直接焊接。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐