固溶温度对00Cr26Ni5Mo2Cu3Re超级双相不锈钢显微组织及耐蚀性能的影响
Effect of solution temperature on microstructure and corrosion resistance property of super duplex stainless steel 00Cr26Ni5Mo2Cu3Re
赵洪普 王顺兴
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作者单位：河南科技大学材料学院
中文关键字：超级双相不锈钢；固溶处理；耐蚀性；α相；γ相
英文关键字： uper duplex stainless steel ; solid solution treatment; corrosion resistance; α phase;γ phase
中文摘要：研究了固溶温度对超级双相不锈钢00Cr26Ni5Mo2Cu3Re显微组织及耐蚀性的影响。结果表明：随着固溶温度的提高，双相不锈钢中铁素体含量逐渐增多，奥氏体含量逐渐减少，其显微硬度从1000℃到1050℃增大明显。在1050~1125℃之间进行固溶处理，其耐晶间腐蚀性最好，建议2605超级双相不锈钢固溶处理工艺温度为1100℃保温2h，水冷。
英文摘要：The effect of solution temperature on the micro-structure and properties of super duplex stainless steel 00Cr26Ni5Mo2Cu3Re was studied .According to the results:α phase in content gradually rises with the solid solution temperature increasing,γ phase decreases and the hardness of micro-structure increases obvious from solution temperature 1000 ℃ to 1050℃.Solution-treated in the range of 1040～1120℃ the property of corrosion resistance is very excellent.We suggested that the optimized technology was heated at 1100℃ for 2h by water cooling.