1) stainless steel grain-boundary corrosion
不锈钢晶间腐蚀
1.
Using electrochemical reactivation method study and survey stainless steel grain-boundary corrosion sensitivity;compare the present result with the past one in traditional way -Using electrochemical reactivation method to survey stainless steel especially to survey the sensiticoty in stainless steel compositeplate grain-boundary conrosion is an accurate,rapid and ideal checking method.
用电化学再活化法研究测量了不锈钢晶间腐蚀敏感性的大小 ,并与传统方法的测量结果做了比较。
2) corrosion of stainless steel
不锈钢腐蚀
1.
The recent advances in research of the relationship between the chloride ion and the corrosion of stainless steel in cooling water system are reviewed.
综述了有关氯离子对冷却水系统中不锈钢腐蚀研究的最新进展,涉及冷却水中氯离子引发不锈钢孔蚀、缝隙腐蚀和应力腐蚀开裂的机理,氯离子的限度,以及影响水中不锈钢腐蚀的其他因素。
3) corrosion of 1Cr13 stainless steel
1Cr13不锈钢的腐蚀
1.
The effects of Sulfate Reducing Bacteria (SRB) on corrosion of 1Cr13 stainless steel in the soils of different Cl-content have been investigated.
结果表明:随着土壤中Cl~-含量的增大,1Cr13不锈钢的腐蚀速率和最大点蚀深度随着土壤中Cl~-含量的增加而增大,当Cl~-的含量增大到1。
4) corrosion-resistant stainless steel
耐腐蚀不锈钢
5) REVIEW ON ATMOSPHERIC CORROSION OF STAINLESS STEELS
不锈钢的大气腐蚀
6) seawater corrosion resistence stainless steel
耐海水腐蚀不锈钢
1.
The effect of Cu content on microstructure and properties of seawater corrosion resistence stainless steel
Cu含量对耐海水腐蚀不锈钢组织与性能的影响
补充资料:焊接接头晶间腐蚀
焊接接头晶间腐蚀
welded joint intercryctalline corrosion
honjle」}etou jingj旧n fush{焊接接头晶间腐蚀(welded joint intererys-talline eorrosion)在焊接接头处出现的沿晶粒边界发生的腐蚀现象。外观仍可有金属光泽,但实际上晶粒已失去联系,钢质已变脆。在奥氏体不锈钢部位有焊缝晶间腐蚀、敏化区腐蚀和刀状腐蚀等三种不同部位的晶间腐蚀。关于奥氏体不锈钢的晶间腐蚀机理有多种学说,其中以碳化物(如er23e。或(er、Fe)23e。等)在晶界沉淀现象的“贫铬理论”比较为人们所接受。所以为防止这类晶间腐蚀尽量降低含碳量,使焊缝金属含有一定量的稳定元素(如钦、妮等)以防止或降低晶界Cr23C。的形成。此外,焊缝的组织状态也有影响,单相奥氏体组织的焊缝有利于柱状晶的发达,出现贫铬层后会使腐蚀贯穿于晶粒之间,若焊缝为奥氏体了加高温铁素体占的双相组织,由于树枝状被打破,不能构成集中的腐蚀通道。高铬铁素体也会有晶间腐蚀,但与奥氏体钢不同的是从高温急冷下来即有晶间腐蚀倾向,可通过650一85oC加热、缓冷使铬扩散均匀化来消除贫铬层,防止晶间腐蚀。 (许祖泽)
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