Preparation of nanostructured high-temperature TZM alloy by mechanical alloying and sintering

被引：57

作者：

Ahmadi, E. ^{[1
]}

Malekzadeh, M. ^{[1
]}

Sadrnezhaad, S. K. ^{[1
,2
]}

机构：

[1] Mat & Energy Res Ctr, Tehran, Iran

[2] Sharif Univ Technol, Ctr Excellence Adv Proc Prod Mat, Dept Mat Sci & Engn, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2011年 / 29卷 / 01期

关键词：

TZM; Sintering; Mechanical alloying; Nanostructure; TENSILE PROPERTIES; MOLYBDENUM; CREEP; DISPERSION; CARBON; LCAC; MO; SI;

D O I：

10.1016/j.ijrmhm.2010.09.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Mechanical milling proceeded by sintering was used to synthesize nanostructured temperature-resistant TZM alloy Milling under Ar for different times (1 2 3 4 10 15 20 25 and 30 h) and sintering at 1500 1600 and 1700 C for 30 45 60 and 90 min resulted in increasing of low energy grain boundaries (LEGBs) and dispersion of TiC and ZrC with a size of similar to 65 nm in the matrix near LEGBs Morphology and grain size of the products were determined from scanning electron microscope (SEM) images and X ray diffraction (XRD) patterns almost precisely Optimum density of nanostructured TZM alloy similar to 9 95 +/- 0 01 g/cm(3) was achieved by sintering at 1700 C for 90 min (C) 2010 Elsevier Ltd All rights reserved

引用

页码：141 / 145

页数：5

共 25 条

[1] Alloy design of creep resistant 9Cr steel using a dispersion of nano-sized carbonitrides [J].