Noyon Chowdhury

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Questions related from Noyon Chowdhury

How to measure residual stress of steel by XRD method?

How can i measure the RESIDUAL STRESS of steel (4140 low carbon steel) by XRD method? Can any one kindly refer me the steps and details (equations need to use) please? It will be much...

07 July 2018 5,499 0 View

How to measure residual stress of steel by XRD method?

How can i measure the RESIDUAL STRESS of steel (4140 low carbon steel) by XRD method? Can any one kindly refer me the steps and details (equations need to use) please? It will be much...

07 July 2018 5,281 0 View

Looking for some "Name of suppliers" of spherical metal powder (4140/4130 steel alloy powder)??

I am looking for some suppliers (in Australia/All over the world) who deals with metal powder for additive manufacturing. Specifically, 4140 or 4130 (Chromium-Molybdenum steel alloy spherical...

05 May 2017 2,264 4 View

High carbon steel processing problem we face commonly and possible solution?

1. I am looking for some reference of high carbon steel processing problem that we commonly face during hot deformation? 2. Please share some references that already have done to solve this...

06 June 2016 4,830 4 View

How to do polishing (process) of heated specimen (steel) to observe only the micro structure change/difference with respect to unheated specimen??

I am going to do first optical micro structure/SEM test of my specimen. Actually i just want to observe my specimen(hot stamped steel) after heating at 1000'C -does it become 100% MARTENSITE from...

10 October 2015 1,266 0 View

Can anyone provide me the CIF file for "BCT-Martensite" phase?

I am looking for the cif file of BCT Martensite. Or suggest me how can i work on this if BCT martensite's CIF file is not possible to get?

01 January 1970 3,279 1 View