Mohammad Hadi Sheikh Ansari

7 Questions 11 Answers 0 Followers

Questions related from Mohammad Hadi Sheikh Ansari

What is the best physically based constitutive model for analyzing the deformation pattern of semi-solid materials?

Up to now, many constitutive models were proposed for semi-solid deformation. However, some aspects of the deformation mechanisms are confusing. For example, what is the main breakdown mechanism...

10 October 2018 1,001 1 View

What are the preliminaries of a good verification for new plasticity models? And also, how many methods exist for this purpose?

On the other hand, is the verification required when a few change implies in current models for a certain purpose, e.g. the assessment of formability?

11 November 2017 2,016 3 View

What is the main deformation mechanism of bainitic steels?

Moreover, I want to know about the ductility of these steels.

11 November 2017 1,756 2 View

How does the localization band form in metals and geomaterials?

I want to know the differences of materials to form the localization band.

11 November 2017 8,644 5 View

What is the best method for modeling the deformation behavior of ultra-fined-grain alloys?

These alloys cannot deform via common deformation mechanism.

10 October 2017 8,469 3 View

What is the main breakdown mechanism of the solid skeleton (formed in a semi-solid alloy)?

Is it the fracture of the solid bonds or the local dilatancy (Granular feature)?

01 January 1970 10,079 2 View

How does the fraction of solid skeleton (formed in a semi-solid matter) vary during the soaking time (before loading)?

The aim is to find an equilibrium value for the fraction of the solid skeleton.

01 January 1970 1,753 1 View