Weldingjoint相关论文
Pipeline transportation is an economical,safe,and efficient transportation method for transporting oil,natural gas,miner......
The ODS steel with oxide phase of good thermal stability and chemical stability can be used in fusion engineering to sus......
在青海省桥头发电厂六期工程4#炉安装期间,对制造厂家的高温再热器管SA213-T91同种钢焊接接头进行焊接金相抽检,结果发现在焊缝中存在焊接热裂纹......
根据钻杆焊缝局部喷雾淬火的特点,设计了新型的喷雾冷 装置。生产试验表明,该装置能完全适应生产需要,处理后焊缝区的冲击韧度值可达......