Qamar Hayat

7 Questions 15 Answers 0 Followers

Questions related from Qamar Hayat

How can I find Average young's Modulus of textured polycyrstalline metal having different orientation of grains?

I think Hills average can be utilized for it but I am not sure how can I use Voigt and Reuss Models to figure out Hills average for various orientation in polycrystalline.

11 November 2019 3,574 1 View

EDS Spectrum analysis using Hyperspy Python?

Hi, I need to process EDS spectrum in this software - http://hyperspy.org/ There is some tutorial on this website but they are extremely difficult to understand for a beginner. Can anyone help...

02 February 2019 3,145 1 View

I want to know Hall Petch Constants for AISI 4140 Steel?

I am calculating effect of grain size on mechincal properties of AISI 4140 Steel. For that purpose I am finding Hall petch contacts Ky and Sigma0. Please if anyone have this information.

02 February 2018 408 3 View

Creep Test: Tensile Testing Machine can be used for Creep Testing if Furnace is installed?

I want to perform Creep Test on AISI 4340 Steel. I have a 1000Ton UTM in my lab. can I use this machine to perform creep test if I add some portable furnace. Please suggest. Thanks Qamar

01 January 2018 1,381 0 View

Fatigue: Selection of Load for Fatigue Test on Rotary Bending Machine?

Good Morning everyone. I have to perform fatigue testing on five samples with various heat treatment and surface treatment of AISI 4140 steel. I have prepared sample with 15mm Dia and of 60mm...

01 January 2018 8,183 10 View

Prepration of Carburizing Salt?

Good Morning everyone, I have to carburize a Low alloy steel componet but the problem is, how much percentages of Cyanide salt and activators should be mixted in order to get uniform case...

12 December 2017 8,471 4 View

1045 steel quenched in oil from 900C, but there is ferrite on grain boundaries of martensite , is there any way to avoid ferrite content?

AISI 1045 steel, is being quenched in oil from 900C, but it produces ferrite on grain boundaries which is causing problem in machining (in Turning long chips are formed which are hard and causing...

12 December 2017 6,107 19 View