Investigation on Mechanical Properties and Formability of Cross Roll Rolled Ni-10Cr Alloy

Kuk Hyun Song; Han Sol Kim; Won Yong Kim

doi:10.4028/www.scientific.net/MSF.724.476

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HomeMaterials Science ForumMaterials Science Forum Vol. 724Investigation on Mechanical Properties and...

Investigation on Mechanical Properties and Formability of Cross Roll Rolled Ni-10Cr Alloy

Abstract:

This study evaluated the microstructure and mechanical properties enhancement of cross roll rolled Ni-10Cr alloy, comparing with conventional rolled material. Cold rolling was carried out to 90% thickness reduction and subsequently annealed at 700 °C for 30 min to obtain the fully recrystallized microstructure. For annealed materials after rolling, to investigate the grain boundary characteristic distributions, electron back-scattering diffraction technique was introduced. Application of cross roll rolling on Ni-10Cr alloy contributed to the notable grain refinement, consequently, average grain size was refined from 135 μm in initial material to 4.2 μm in cross roll rolled material. These refined grain size led to an enhanced mechanical properties such as yield and tensile strengths. Furthermore, <111>//ND texture in CRR material was well developed than that of CR material, which contributed to the mechanical properties and formability enhancement.

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Materials Science Forum (Volume 724)

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476-480

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https://doi.org/10.4028/www.scientific.net/MSF.724.476

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Online since:

June 2012

Authors:

Kuk Hyun Song, Han Sol Kim, Won Yong Kim

Keywords:

Cross Roll Rolling, Formability, Grain Refinement, Mechanical Property, Ni-Cr Alloy

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