Method for improving fatigue strength of a workpiece and the workpiece thereof

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United States of America Patent

PATENT NO 11420246
APP PUB NO 20200206795A1
SERIAL NO

16728027

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Abstract

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The present disclosure discloses a method for improving fatigue strength of a workpiece (100). The method comprises positioning the workpiece (100) in a punch and die assembly (102). Operating the punch and die assembly (102) one or more times to imprint surface features (2) on a portion of a surface of the workpiece (100), wherein the surface features (2) induces compressive residual stresses at a sub-surface level of the workpiece (100), and improves the fatigue strength of the workpiece (100).

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Patent Owner(s)

Patent OwnerAddress
TATA STEEL LIMITEDJAMSHEDPUR JHARKHAND 831001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guha, Suman Jamshedpur, IN 25 95
Sanjay, Gujre Vinay Jamshedpur, IN 1 0
Sarkar, Rudra Bubai Jamshedpur, IN 2 0
Shamshoddin, Shaik Jamshedpur, IN 2 0
Verma, Rahul Kumar Jamshedpur, IN 4 0

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