1) metallic surfacing coating
金属堆焊
2) deposited metal
堆焊金属
1.
Research on microstructure and micro-hardness of overlaying deposited metal of D227 and D237 electrode
D227、D237焊条堆焊金属组织及显微硬度研究
2.
The analyses on microstructure of deposited metals were made,and the effect of alloy elements on the microstructure of deposited metal was discussed.
采用CHR207、CHR227和CHR237堆焊焊条,通过手工电弧焊工艺在45钢基体上进行堆焊试验;对获得的不同堆焊金属的显微组织进行了分析,并讨论了合金元素对堆焊层金属显微组织的影响。
3.
The analysis of the microstructure and micro-hardness of deposited metals was performed,and the effect of the alloy elements on the microstructure and micro-hardness of deposited metal was discussed.
分别采用D237和D207两种堆焊焊条,以焊条电弧焊工艺在基体材料45钢上进行堆焊,对在相同焊接条件下获得的堆焊金属的显微组织和显微硬度进行了分析,并讨论了合金元素对堆焊层显微组织及显微硬度的影响。
3) hardfacing metal
堆焊金属
1.
According to this FEM, the effect of martensitic transformation on residual stress of hardfacing metal of medium-high carbon steel was analyzed.
采用红外热像仪和X射线应力仪分别测定了采用含稀土氧化物的堆焊焊条,对中高碳钢试件进行堆焊过程的温度场和残余应力场,根据实验数据和材料的物理、力学参数,采用二维有限元计算方法,建立了堆焊应力场模型,根据这一模型,分析了马氏体相变对堆焊金属残余应力场的影响。
2.
The effect of rare earth(RE) oxide on the non metallic inclusions in hardfacing metals of medium high carbon steel was investigated by means of optical and scanning electron microscopes.
采用电镜和金相等手段 ,对加稀土氧化物和不加稀土氧化物的堆焊金属中的夹杂物进行了研究 ,结果表明 ,稀土氧化物能细化堆焊金属中的夹杂物 ,减少了尺寸大的夹杂物数量 ,使其尺寸分布在 8μm以下。
3.
The results show that the hardness of the hardfacing metal is over 60 HRC and the fracture is of cleavage type.
对不同堆焊试样进行硬度测试,对堆焊金属及其结合部位进行显微组织及断口形貌观察。
4) surfacing metal
堆焊金属
1.
By means of self designed test method ,thermal fatigue resistance and influence factor for surfacing metal of three self produced flux cored wires and one solid wire for roller hardfacing were studied deeply.
通过设计的热疲劳试验方法 ,对三种自制药芯焊丝和一种国产堆焊轧辊用实心焊丝的耐热疲劳性能及其影响因素进行了深入研究 ,同时对堆焊金属中热疲劳裂纹形成以及扩展机理做了进一步探讨。
2.
The experimental results show that the surfacing metal consists of phase of α -Fe(Al) coarse columnar grain.
用X射线衍射 (XRD)分析、透射电镜选区电子衍射 (SAED)技术 ,确定了堆焊金属的组织结构 ,并在扫描电镜下用能谱分析了熔合区微区的化学成分特点。
3.
オicrostructure of two surfacing metals have been studied by means of electrical micrcoscopes.
利用电子显微镜分析技术对２种耐磨堆焊金属进行组织分析。
5) hardfacing metal
堆焊层金属
1.
The influence of the tempering temperature on hardness and wear-resisting property of hardfacing metal had been discussed.
5 HRC,显微组织为板条马氏体和铬、钛、钒、铌的氮碳化物的复合物,堆焊层中的氮碳化物质点不易分解,有良好的稳定性和抗高温回火性能;回火温度为550℃时,堆焊层硬度达到最大值,回火温度高于550℃,硬度值基本保持不变;氮碳合金化自保护硬面药芯焊丝堆焊层金属的磨损机理为磨粒切削后塑性磨痕和氮碳化物的块状剥离,堆焊层具有良好耐磨性能的最佳回火温度为480～520℃。
2.
This paper analyze strengthening mechanism through study on heat treatment technology of hardfacing metal of metal cored wire of maraging steel.
通过研究模具堆焊用马氏体时效钢金属粉芯焊丝堆焊层金属的热处理工艺及其显微组织的变化 ,分析了堆焊层金属强化机理。
3.
The hardness of hardfacing metal and after different treatment temperature of 450～650 ℃,the microscopic structure,the chemical constitution and the wear-resisting property were also investigated.
研制了一种碳氮合金化自保护硬面药芯焊丝,探讨了碳氮合金化硬面药芯焊丝堆焊层金属中的碳氮化物质点作用,对碳氮合金化堆焊层金属及450~650℃不同热处理温度下的硬度、金属显微组织和微区化学成分以及耐磨损性能进行了分析。
6) metallic welded surfacing layer
金属堆焊层
补充资料：贵金属精密轧制装置(昆明贵金属研究所)
贵金属精密轧制装置(昆明贵金属研究所)
嫉蘸一’瓜.峨蘸颧翼鑫黝当渊狱贵金属精“轧“装置(昆明贵金属研“所)
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