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...

06 July 2018 5,428 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...

04 May 2017 2,205 4 View

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

05 June 2016 4,801 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...

09 October 2015 1,238 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 3,053 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View