Effects of aging and sheet thickness on the room temperature deformation behavior and in-plane anisotropy of cold rolled and solution treated Nimonic C-263 alloy sheet

Author:

Ankamma Kandula1,Singh Ashok Kumar2,Prasad Konduri Satya2,Reddy Gangireddy Chandra Mohan1,Komaraiah Methuku3,Prasad Namburi Eswara4

Affiliation:

1. Mechanical Engineering Department, Mahatma Gandhi Institute of Technology, Hyderabad, India

2. Defence Metallurgical Research Laboratory, DRDO, PO Kanchanbagh, Hyderabad, India

3. Malla Reddy College of Engineering and Technology, Hakimpet Post, Secunderabad, India

4. Regional Centre for Military Airworthiness (Materials), PO Kanchanbagh, Hyderabad, India

Abstract

Abstract The deformation behavior under uni-axial tensile loading is investigated and reported in the case of cold rolled Nimonic C-263 alloy sheet products of different thicknesses (0.5 mm and 1 mm) in the solution treated and aged conditions. The studies conducted include (i) Microstructure, (ii) X-ray diffraction, (iii) Texture and (iv) Tensile properties and in-plane anisotropy in the yield behavior (both tensile yield strength and ultimate tensile strength as well as ductility). The results of the present study showed that despite the presence of weak crystallographic texture in this crystal symmetric material, the degrees of in-plane anisotropy in strength as well as plastic deformation properties are found to be significant in both solution treated and aged conditions, thus having significant technological relevance for both further processing and design purposes. Further, the influence of aging and sheet thickness on the tensile deformation behaviour is also found to be considerable. A brief discussion on the technological implications of these results is also included.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

Reference34 articles.

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