Re: [MW:17511] Effect of grain growth in toughness and Softness of a metal

Grain growth makes a softer and inferior structure in most cases and is avoided. It also reduces hardness but may increase ductility in a few cases,
at the cost of tensile strength reduction. You may consult heat treatment theories from internet for explanation.

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From: Binoy Soman <binoy.spp@DAELIM.CO.KR>
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Sent: Monday, April 22, 2013 3:48 PM
Subject: [MW:17506] Effect of grain growth in toughness and Softness of a metal

 

Dear experts,

 

Kindly explain the relation between grain growth, toughness, hardness & ductility. If anybody have some texts which explains the basic changes that happens during heat treatment, please share.

 

S.binoy

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