为了研究不同回火温度对9Ni钢低温韧度的影响,利用OM、SEM、TEM对试验钢微观组织和断口形貌进行观察分析,研究表明:在550～600℃范围内回火,9Ni钢强度和韧度达到最佳匹配,且其他各项性能也达到最佳;回转奥氏体、碳化物及回转奥氏体诱发马氏体相变等均对低温韧度产生重要影响.
参考文献
| [1] | 刘彦明,石凯,周勇,李国明,王志强.9Ni钢的热处理及低温韧度[J].热加工工艺,2007(16):77-79,83. |
| [2] | 王国华,卫英慧,刘东风,王彩焕.06Ni9钢热处理工艺对组织性能的影响[J].山西冶金,2009(01):14-16,25. |
| [3] | 张弗天;楼志飞;叶裕恭 等.Ni9钢的显微组织在变形-断裂过程中的行为[J].金属学报,1994,A30(06):239. |
| [4] | Standard Specification for Pressure Vessel Plates,Alloy Steel,Quenched and Tempered 8 and 9 Percent Nickel.ASTM A553/A553M-95[S].Amercia:American Society for Testing Materials,1995. |
| [5] | 李国明,符中欣,高聪.调质热处理对Ni9钢低温韧性的影响[J].热加工工艺,2006(20):52-54,57. |
| [6] | Marschall C W;Hehemann R F;Troiano A R .The Characteristics of 9% Nickel Low Carbon Steel[J].Transactions ASM,1962,55:135. |
| [7] | Fultz B;Kim J I;Kim Y H et al.The Stability of Precipitated and the Toughness of 9Ni Steel[J].Metallurgical and Materials Transactions,1985,16A:2237. |
| [8] | Song S H;Faulkner R G;Flewitt P E et al.Temper Embrittlement of a CrMo Low Alloy Steel Evaluated by Means of Small Punch Testing[J].Materials Science and Engineering,2000,281(12):75. |
| [9] | A.J.Papworth;D.B.Williams .SEGREGATION TO PRIOR AUSTENITE GRAIN BOUNDARIES IN LOW-ALLOY STEELS[J].Scripta materialia,2000(11):1107-1112. |
| [10] | 徐庭栋,郑磊.非平衡晶界偏聚和晶间脆性断裂研究的进展[J].材料导报,2004(01):1-5. |
| [11] | 王献钧.舰船结构钢的夏比冲击韧性与断口形貌[J].材料开发与应用,1995(01):44. |
| [12] | Syn C K;Fultz B;Morris Jr J W .Mechanical Stability of Retained Austenite in Tempered 9Ni Steel[J].Metallurgical and Materials Transactions,1978,9A:1635. |
| [13] | Kim K J;Schwartz L H .Effects of Intercritical Tempering on the Impact Energy of Fe-9Ni-0.1C[J].Materials Science and Engineering,1978,33(01):5. |
| [14] | Fultz B;Morris Jr J W .The Mechanical Stability of Precipitated Austenite in 9Ni Steel[J].Metallurgical and Materials Transactions,1985,16A:2251. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%