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离心喷射沉积Ti-48Al-2Mn-2Nb的疲劳裂纹扩展速率和门槛值
陈文哲,张飒,钱匡武,顾海澄,王中光
1998-01-18
Source Publication金属学报
Issue1Pages:70-74
Abstract本文着重研究了采用特殊的离心喷射沉积成型方法制备的Ti-48Al-2Mn-2Nb金属间化台物的室温疲劳裂纹扩展速率和疲劳门槛值.试验采用三点弯曲单边切口试样进行恒载和逐级降载控制的压-压疲劳试验,结果表明.具有层片状组织的离心喷射成型(CSD)样品比经热等静压(HIP)后具有双态组织样品表现出更高的疲劳裂纹扩展阻力和疲劳门槛值,其Paris经验式分别为da/dN=3.8×10-12(△K)6和da/dN=1.9×10-17(△K)12;而CSD和HIP试样的疲劳门槛值分别为10.5MPa.m1/2和7.5MPam1/2
description.department福州大学材料系!福州,350002,福州大学材料系!福州,350002,福州大学材料系!福州,350002,西安交通大学材料学院!西安,710049,中国科学院金属研究所材料疲劳与断裂国家重点实验室!沈阳,110015
KeywordTi-48al-2mn-2nb 离心喷射沉积 裂纹扩展速率 门槛值
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/27762
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
陈文哲,张飒,钱匡武,顾海澄,王中光. 离心喷射沉积Ti-48Al-2Mn-2Nb的疲劳裂纹扩展速率和门槛值[J]. 金属学报,1998(1):70-74.
APA 陈文哲,张飒,钱匡武,顾海澄,王中光.(1998).离心喷射沉积Ti-48Al-2Mn-2Nb的疲劳裂纹扩展速率和门槛值.金属学报(1),70-74.
MLA 陈文哲,张飒,钱匡武,顾海澄,王中光."离心喷射沉积Ti-48Al-2Mn-2Nb的疲劳裂纹扩展速率和门槛值".金属学报 .1(1998):70-74.
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