A study on the thermal expansion characteristics of Inconel-82® filler wire by high temperature X-ray diffraction

被引：10
|
作者：
Panneerselvam, G
Raju, S [1 ]
Jose, R
Sivasubramanian, K
Divakar, R
Mohandas, E
Antony, MP
机构：
[1] Indira Gandhi Ctr Atom Res, Mat Characterizat Grp, Phys Met Sect, Kalpakkam 603102, Tamil Nadu, India
[2] Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
[3] Indira Gandhi Ctr Atom Res, Safety Engn Div, Kalpakkam 603102, Tamil Nadu, India
来源：
MATERIALS LETTERS | 2004年 / 58卷 / 1-2期
关键词：
metals and alloys; thermal properties; X-ray technique;
D O I：
10.1016/S0167-577X(03)00448-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The lattice parameter (a) change with respect to temperature (7) has been measured by high temperature X-ray diffraction (HT-XRD) technique for Inconel-82 ((R)1) filler wire used in the TIG welding of a dissimilar joint involving Inconel-600((R)) and commercially pure iron. By taking proper precautions to minimise the temperature gradient across the sample thickness, and by suitably calibrating the shift in 20 produced as a result of sample buckling at high temperatures, we could obtain fairly reliable estimates of lattice parameter in the temperature range 300-1200 K. The lattice parameter and the coefficient of mean linear thermal expansion at 300 K, have been found to be 3.546(2) x 10(-10) in and 11.03 x 10(-6) K-1, respectively. (C) 2003 Elsevier B.V All rights reserved.
引用
收藏
页码：216 / 221
页数：6
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