得到了镍基喷焊层元素熔入量对奥氏体焊缝显微组织及裂纹敏感性的影响规律。
The influencing rules of the content of alloy elements in nickel-base spraying layer on the microstructure of austenite weld and the crack sensitivity were found.
本文研究了铬镍奥氏体焊缝中铝对铁素体含量和形态的影响及其与焊缝韧性的关系。
The influence of aluminum on the content and morphology of ferrite and toughness of chromium-nickel austenitic stainless steel welds is discussed.
本文研究了纯奥氏体焊缝和奥氏体-铁素体焊缝凝固裂纹特征，探讨了铁素体防止焊缝凝固裂纹的作用。
The characteristics of fully austenitic weld metals and austenitic-ferritic weld metals were investigated and the ability ofd-ferrite to prevent solidification cracks was studied.
应用变形速率连续可变式热裂纹试验方法(VDR法)研究了碳、钼和稀土元素对奥氏体不锈钢焊缝热裂敏感性的影响。
The effect of carbon, molybdenum and rare earths on hot cracking susceptibility of austenitic stainless steel welds was studied with continuously variable deformation rate cracking test (VDR) method.
采用活性化焊剂TIG焊接方法研究了奥氏体不锈钢焊缝熔深的变化。
The varied weld penetration depths of austenic stainless steel in A-TIG welding are studied.
研究了元素C、V对高强度奥氏体不锈钢焊缝金属的强化作用。
The strengthening effects of C and V on high strength austenite stainless steel welds were studied.
利用自制的活性剂，考察了焊接工艺参数对奥氏体不锈钢A-TIG焊焊缝熔深的影响。
Effects of welding parameters on the penetration of austenitic stainless steel A-TIG weld seam with the home-made active flux were carried out.
奥氏体晶粒粗大及奥氏体柱状晶都能够降低焊缝的韧性，并提出了改善焊缝韧性的途径。
Either coarse or column austenite grain can decrease the toughness of welding metal, and the ways to improve the toughness of wel...
结果表明：经固溶处理的焊缝和热影响区，晶内奥氏体析出变少，晶粒尺寸变小，同时奥氏体的形状由长条状变为圆状。
The results show that the precipitated austenite crystals of welded joint after solid solution treatment are fewer, the grains are smaller. And the shape of austenite changes from strip to roundness.
平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。
The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.
研究结果表明：在不预热条件下，用KD286焊补钢轨，焊缝组织为柱状奥氏体组织，熔合区和过热区不可避免地产生脆硬的马氏体组织。
The results show that:under the no preheating condition, the microstructure of weld metal is columnar austenitic, and brittle martensite exists in the fusion zone and over-heated zone unavoidably.
研究结果表明：在不预热条件下，用KD286焊补钢轨，焊缝组织为柱状奥氏体组织，熔合区和过热区不可避免地产生脆硬的马氏体组织。
The results show that:under the no preheating condition, the microstructure of weld metal is columnar austenitic, and brittle martensite exists in the fusion zone and over-heated zone unavoidably.
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