Influence of gas content on impact toughness of deposited metal of martensitic stainless steel;
气体含量对马氏体不锈钢熔敷金属冲击性能的影响
Effects of nonmetallic inclusions on acicular ferrite nucleation in deposited metals of microalloyed steel;
夹杂物对微合金钢熔敷金属针状铁素体形核的影响
Research of M-A component in 9%Cr-1%Mo deposited metal;
9%Cr-1%Mo耐热钢熔敷金属中M-A组元的研究
According to the introduction of the manufacture process feature of flux-cored wires and the good performances exhibited by the deposit metal,the current questions on the popularization and application of flux-cored wires were analyzed,as well as the applied methods of flux-cored wires for manual welding.
通过对药芯焊丝制造工艺特点及其熔敷金属所表现出的良好性能的介绍,分析了当前药芯焊丝推广应用所遇到的问题,提出了将药芯焊丝用于手工焊接的方法,并指出了推广应用的几个关键问题。
Cracks often occurs because of poor ductility when test intergranular corrosion on 316L weld metal, which impact the test course and result seriously.
通过试验证明了316L焊接接头做晶间腐蚀时,经常会由于熔敷金属塑性不足而发生焊缝开裂或断裂,影响了正常的试验过程与结果评判;并对GB／T4334。
Through the addition of rare earth oxides La2O3 and CeO2 in the electrode covering,their effects on high temperature sulphidation resistance of the weld metal were tested.
通过在焊条药皮中分别添加稀土氧化物La2O3及CeO2,研究其对焊条熔敷金属在含硫气氛中腐蚀性能的影响。
The effect of Y-base rare earth alloy in ultra-high hardness surfacing was studied by means of OM, SEM, XRD.
运用OM,SEM,XRD探究了重钇基稀土合金在超高硬度堆敷金属中的作用。
The wire for high strength and toughness pipeline steel submerged arc welding is developed in this paper,the deposited metals obtained by matching SJ101 and SJ102 type flux,has not only high strength( σ s≥540MPa) and also has high low temperature toughness ( A KV 10 ℃ ≥120 J).
研制的高强高韧性管线钢用埋弧焊丝与SJ10 1和SJ10 2焊剂匹配后的熔敷金属不仅具有很高的强度 (σs≥ 5 4 0MPa) ,而且还具有优良的低温韧性 (AKv - 1 0℃ ≥ 12 0J)。
The effects of impurity elements(S, P, O, N) on the low temperature toughness of deposited metals were studied with this model.
用人工神经网络建立了熔敷金属性能的预测模型。
The microstructure and the microhardness profile of the deposited metals in as-welded and heat treatment were analyzed.
为了消除焊态过程中残留的残余应力,提高堆焊层熔敷金属的耐磨性能,本试验对基体材料进行了焊前预热,控制层间温度,焊后回火等工艺,分析了焊态、回火工艺下获得的耐磨熔敷金属的显微组织和显微硬度。