Saad Waqar

7 Questions 2 Answers 0 Followers

Questions related from Saad Waqar

The "Displacement at failure" parameter in ABAQUS, Johnson-Cook Damage evolution criterion is interms of strain or a displacement?

The "Displacement at failure" parameter in ABAQUS, Johnson-Cook Damage evolution criterion is interms of strain or a displacement? i am struggling with it as if its a value with unit of...

10 March 2023 4,196 0 View

During Additive manufacturing simlation type modeling , should we opt for surface type heat flux for moving heat source or body type heat flux model ?

WHile undergoing layered additive manufacturing processes of metallic components the option for moving heat source as flux are surface type and body type? whats the difference and which one should...

01 September 2019 3,996 2 View

For the FEM simulation of SLM through simufact additive , how to relate the scanning pattern and laser power and scanning speed in the simulation ?

while working on distortion simulation of SLM process in Simufact additive i figure out that there is no way to relate the scanning pattern and laser power and laser scanning speed in the software...

07 May 2019 5,111 1 View

An increase in percentage elongation with re crystalization temprature?

For my Steel 316L samples, the percentage elongation is increased with a 1050 degrees heat treatment by aprox 5-8 %, what could be the possible cause

21 March 2019 5,211 4 View

Variation in behaviour of Heat treated Stainless steel hardness?

After undergoing a solution heat treatment (air quenched) and full annealing heat treatment on my stainless steel samples it was observed the hardness of full annealed samples is more than air...

11 February 2019 9,709 6 View

Etched Sample of 316L SS for metallographic analysis, Microscopic image impurity or surface defect?

The attached Picture of 316L SS sample cross section of SLM fabricated piece is after etching for 120 sec in an equal amount solution of HCL, HNO3 and Distilled water. the melt pool and grain...

28 November 2018 5,543 2 View

Please help me identify the metallographic problems with following etched 316L SS SLM fabricated components microscopic image ?

I fabricated various samples through SLM technique of 316L SS. after grinding and polishing , i used HNO3 , HCL, distilled H2O in equal ratio for etching the samples for 90 seconds and 140...

21 November 2018 9,329 2 View