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焊缝裂纹 weld crack英语短句 例句大全

时间:2024-06-26 00:42:01

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焊缝裂纹 weld crack英语短句 例句大全

焊缝裂纹,weld crack

1)weld crack焊缝裂纹

1.Through analysis on inside weld forming and welding procedure of SSAW pipe,it pointed outweld crack is easy to appear in brittle temperature zone in welding pool.通过对螺旋埋弧焊管内焊缝成型和焊接过程的分析,指出焊缝裂纹易产生在焊接熔池脆性温度区。

2.The hydrogenation pipe wouldweld crack after running for some time as high temperature and high pressure, and the phenomenon was rare.高温高压临氢管道运行一段时间发现多道焊缝裂纹,较为罕见。

英文短句/例句

1.Inside Weld Crack Analysis and Control of SSAW Pipe螺旋埋弧焊管内焊缝裂纹分析与控制

2.The Analysis of Crystal Crack of T23 Waterwall Tube-finT23水冷壁管排鳍片焊缝裂纹的分析

3.The Repair in Welding Cracks on 20MnMoNi55 Low-alloy High-strength Steel20MnMoNi55低合金高强钢焊缝裂纹的返修

4.Crack Analysis and Disposal for the Weld of High-Pressure Stainless Steel Pipe in Hydrocracking加氢裂化高压不锈钢管道焊缝裂纹分析及处理

5.Cause Analysis of Weld Crack on 20R+410S Clad Plate Head and Its Repair Technology20R+410S复合板封头焊缝裂纹原因分析及修复工艺

6.Welding to Fillet Weld Crackle of Superheater Connecting Screw Plug for 1 025 t/h Boiler1025 t/h锅炉过热器连接管螺塞角焊缝裂纹的焊接

7.However, ultrasonic checks showed cracks in the seams.但是超声波检查,表明焊缝还有裂纹。

8.Judge of Transverse Crack of Thick-Walled Seam by Ultrasonic Testing Method厚壁焊缝横向裂纹的超声波判别方法

9.Cause Analysis and Prevention Measure of Terminal Crack of Submerge-arc Welding Longtitudinal Weld埋弧焊纵焊缝终端裂纹原因分析及预防措施

10.Study of cold crack initiation and propagation of compacted graphite iron weld蠕墨铸铁同质焊缝冷裂纹启裂与扩展研究

11.Any severe deficiency of welding seams surface like cracks, pores, slags is forbidden.焊缝表面不得有裂纹,气孔,夹渣等严重缺陷.

12.Stress Measurement and Analysis of the Weld of Coke Tower Skirt and Crack - Protection焦炭塔裙座焊缝应力测试分析及其裂纹防治

13.Initiation Mechanics of Fatigue Crack at Weld Joint of High Strength Bridge Steel高强度桥梁钢焊缝疲劳裂纹萌生机理的研究

14.Influences of Welding Residual Stresses on Fatigue Crack Growth of Butt Weld Plate对接焊缝残余应力对疲劳裂纹扩展的影响

15.Close examination of the plug welds showed the existence of herringbone patterns near the slag and voids in welds.对塞焊焊缝的详细检查表明在焊渣及气孔附近,焊缝中存在着人字型裂纹。

16.Inside Weld Tiny Crack Analysis and Control of SSAW Pipe with Heavy Wall-thickness大壁厚螺旋埋弧焊管内焊缝微裂纹的分析及控制

17.Thus the fracture likely initiated from fatigue sharpened cracks originating from slag and void in the plug welds.因此,断裂可能是由于从塞焊焊缝内的焊渣和气孔外形成的尖锐的疲劳裂纹而产生的。

18.Cracks have been found in the flange and web splices at groove welds in at least four bridges.至少在四座桥梁的翼缘板和腹板拼接坡口焊缝中发现了裂纹。

相关短句/例句

Welding crack焊缝裂纹

1.By means of the analyzing for the reason resulting in the welding crack in a strengthening tendon-plate of a pressure vessel,the article puts forward the method that has resolved the problem having common phenomenon in pressure vessel operation and has been proved to be effective through practical application in years.本文通过压力容器接管加强筋板焊缝裂纹产生原因的分析,提出了解决这一带有普遍现象问题的方法,并经实际运行证实了该方法的可行性。

2.By analyzing the effect of the material welding capability, welding structure, warm-up, heat treatment after welding and crafts parameter on welding crack in shore crane, the paper put forward the improving measure and acquires favorable result.从材料的焊接性能、焊接结构、焊条、预热与焊后热处理、焊接工艺参数等角度对岸吊胎架焊缝裂纹进行了分析,提出了改进措施,取得了良好的效果。

3)crack[英][kr?k][美][kr?k]焊缝裂纹

1.By application of CO_2 arc welding on assembly and process of blast furnace stack casing,it prevent from welding distortion andcrack efficiently,also it points out that enhancing welding quality needs observation and thinking over initially,and extending the application of CO_2 arc welding from cost,welding quality and training.通过对CO_2气体保护焊在高炉炉壳组装与焊接工艺的使用,有效地控制了焊接变形及防止焊缝裂纹,阐明提高焊接质量要从多元角度出发,有机整体地考虑问题,在结论中进一步从成本、焊接质量及培训等方面分析证明推广CO_2气体保护焊的必要性犤1,2犦。

4)hotcracking焊缝热裂纹

5)underbead crack焊缝下裂纹

6)toe crack焊缝边裂纹

延伸阅读

淬火裂纹和非淬火裂纹的特征及实例分析淬火裂纹是指在淬火过程中或在淬火后的室温放置过程中产生的裂纹。后者又叫时效裂纹。造成淬火开裂的原因很多,在分析淬火裂纹时,应根据裂纹特征加以区分。 一、淬火裂纹的特征 在淬火过程中,当淬火产生的巨大应力大于材料本身的强度时,便会导致裂纹产生。淬火裂纹往往是在马氏体转变开始进行后不久产生的,裂纹的分布则没有一定的规律,但一般容易在工件的棱角槽口、截面突变处形成。 在显微镜下观察到的淬火开裂,可能是沿晶开裂,也可能是穿晶开裂;有的呈放射状,也有的呈单独线条状或呈网状。 因在马氏体转变区的冷却过快而引起的淬火裂纹,往往是穿晶分布,而且裂纹较直,周围没有分枝的小裂纹。 因淬火加热温度过高而引起的淬火裂纹,都是沿晶分布,裂纹尾端尖细,并呈现过热特征:结构钢中可观察到粗针状马氏体;工具钢中可观察到共晶或角状碳化物。 表面脱碳的高碳钢工件,淬火后容易形成网状裂纹。这是因为,表面脱碳层在淬火冷却时的体积胀大比未脱碳的心部小,表面材料受心部膨胀的作用而被拉裂呈网状。 二、非淬火裂纹的特征 淬火后发生的裂纹,不一定都是淬火所造成的,一般可根据下面的特征来区分。 淬火后发现的裂纹,如果裂纹两侧有氧化脱碳现象,则可以肯定裂纹在淬火之前就已经存在。淬火冷却过程中,只有当马氏体转变量达到一定数量时,裂纹才有可能形成。与此相对应的温度,大约在250℃以下。在这样的低温下,即使产生了裂纹,裂纹两侧也不会发生脱碳和出现明显氧化。所以,有氧化脱碳现象的裂纹是非淬火裂纹。 如果裂纹在淬火前已经存在,又不与表面相通,这样的内部裂纹虽不会产生氧化脱碳,但裂纹的线条显得柔软,尾端圆秃,也容易与淬火裂纹的线条刚健有力,尾端尖细的特征区别开来。 三、实例分析 实例一: 40Cr钢制成的转子轴,经锻造、淬火后发现裂纹。裂纹两侧有氧化迹象,经金相检验,裂纹两侧存在脱碳层,而且裂纹两侧的铁素体呈较大的柱状晶粒,其晶界与裂纹大致垂直。结论:裂纹是在锻造时形成的非淬火裂纹。 当工件在锻造过程中形成裂纹时,淬火加热即引起裂纹两侧氧化脱碳。随着脱碳过程的进行,裂纹两侧的碳含量降低,铁索体晶粒开始生核。当沿裂纹两侧生核的铁素体晶粒长大到彼此接触后,便向离裂纹两侧较远的基体方向生长。由于裂纹两侧在脱碳过程中碳浓度的下降,也是由裂纹的开口部位向内部发展,因而为铁素体晶粒的不断长大提供了条件,故最终长大为晶界与裂纹相垂直的柱状晶体。

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