1) TIG surface remelting process
TIG表面重熔
1.
Compared with the conventional post grinding process for the weld layer,the effect of TIG surface remelting process on cavitation erosion resistance was investigated.
用氩弧熔化焊(M IG)在4020碳钢表面堆焊耐空泡腐蚀材料,然后采用TIG(钨极氩弧焊),将堆焊层改性;通过与传统磨削表面加工对比,研究了TIG表面重熔对空泡腐蚀的影响。
2.
Compared with grinding process,the effect of TIG surface remelting process on cavitation corrosion resistance was investigated.
采用TIG(钨极氩弧焊)表面重熔工艺对耐空泡腐蚀堆焊材料进行改性加工,与磨削表面加工对比研究了TIG表面重熔对空泡腐蚀的影响。
3.
Compared with grinding process,the effect of TIG surface remelting process to cavitation erosion resistance was investigated.
采用TIG(钨极惰性气体保护焊)表面重熔工艺对表面耐空泡腐蚀堆焊材料进行改性加工,与磨削表面加工对比研究了TIG表面重熔对空泡腐蚀的影响。
2) TIG remelting
TIG重熔
1.
Affection of TIG remelting welding seam process on the residual stress in weld area;
TIG重熔工艺对焊缝区残余应力的影响
3) surface remelting
表面重熔
1.
The experiment of surface remelting for gray cast iron with a pulsed 1kw Nd:YAG laser was crried out.
文章报道了用千瓦级N d:YAG脉冲激光器对灰铸铁HT 200进行表面重熔的实验。
2.
It report that the experiment of surface remelting for nodular cast iron(QT600) with a pulsed 1?kW Nd:YAG laser.
报道了用千瓦级Nd:YAG脉冲激光器对球墨铸铁QT600进行表面重熔的实验。
3.
In a reference frame attached to the moving heat source, for example, surface remelting, a fixed grid eathalpy-porosity method was used to deal with phase change problem, and the momentum and energy changes caused by moving heat source were taken as additional sources to formulate control equations which are discretised and solved using control-volume-based compotational method.
对有移动热源的表面重熔问题,在固定坐标系内,采用固定网格、焓-孔隙度法处理相变,并将移动热源引起的能量、 动量方程的变化作为附加源项构建控制方程组,使用控制容积积分法对其进行求解,数值模拟了激光扫描条件下熔池内传热、相交 及流体流动的情况;利用所开发的软件对同一扫描速度、不同激光输入功率条件下不锈钢材料熔化与凝固过程中温度场、速度场进 行了比较与分析。
4) TIG remelting technique
TIG重熔技术
5) weld toe TIG remelting
焊趾TIG重熔
6) Laser surface remelting
激光表面重熔
1.
Effects of laser surface remelting on microstructure and hydrogen permeation resistance of thermal spraying aluminum coatings;
激光表面重熔对热喷涂铝涂层微观结构及其阻氢性能的影响
2.
The contrast test was carried out for laser surface remelting varying substrate preheating.
对球墨铸铁表面激光重熔过程中的重熔层开裂倾向及影响因素进行了详细的研究,通过对基体分别进行正火、淬火+回火后进行激光表面重熔的对比试验,考察了在相同的激光重熔工艺参数条件下进行表面重熔处理,发现球铁激光重熔处理前的预处理工艺对重熔过程中的重熔层开裂倾向影响很大。
3.
By means of laser surface remelting and adding rare-earth elements to the alumina coatings,the residual porosities were eliminated,cracks were reduced and so that not only the quality of the coating was improved,but the corrosion resistance of the coatings was improved significantly.
通过采用激光表面重熔和在氧化铝涂层中加入稀土的工艺方法,封闭了表层中残存的孔隙,减少了微裂纹,不仅提高了涂层的质量,而且使其耐蚀性得到明显提高。
补充资料:熔盐电化学表面合金化
分子式:
CAS号:
性质:其实质是熔盐中金属的电沉积和固态扩散合金化两种作用的综合。当在熔盐中使用活性较强的金属作为阳极,以活性较弱的金属作为阴极,并将阴、阳极连成回路,则形成一个自发的原电池。阳极在熔盐中溶解,其离子在阴极表面放电析出。与此同时,于高温下在基体(阴极)表面沉积的合金元素向内部扩散形成固溶体或金属间化合物的表面合金层。通过改变基体金属和被沉积金属,可以获得具有特殊性质的表面合金,性质远优于单个金属。铌、钽、铝、铍、硅等的表面合金化已在高技术领域中得到了应用。
CAS号:
性质:其实质是熔盐中金属的电沉积和固态扩散合金化两种作用的综合。当在熔盐中使用活性较强的金属作为阳极,以活性较弱的金属作为阴极,并将阴、阳极连成回路,则形成一个自发的原电池。阳极在熔盐中溶解,其离子在阴极表面放电析出。与此同时,于高温下在基体(阴极)表面沉积的合金元素向内部扩散形成固溶体或金属间化合物的表面合金层。通过改变基体金属和被沉积金属,可以获得具有特殊性质的表面合金,性质远优于单个金属。铌、钽、铝、铍、硅等的表面合金化已在高技术领域中得到了应用。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条