Mohammad Shahrear Kabir

9 Questions 6 Answers 0 Followers

Questions related from Mohammad Shahrear Kabir

What is the difference between primary M7C3 and secondary M7C3 carbides?

I am looking at appropriate homogenization temperature to dissolve all carbides in a Cr-Mo steel (greater than 0.80 wt% C). Cr is less than 3 wt% and Mo is less than 0.8 wt%. After furnace...

31 August 2020 8,071 8 View

How can you differentiate between proeutectoid ferrite and cementite network in hypereutectoid steel?

I am performing heat treatment on as-cast 0.85 wt% carbon Cr-Mo steel. The heat treatment is being done at 925 degree C for a soaking time of 8 hours. The aim is to achieve complete dissolution of...

05 June 2020 4,335 6 View

Can dilatometry experiments on standard sample be representative of big industrial casting blocks?

I am performing dilatometry experiment on standard dilatometer samples taken from a huge casting block. Initial micro-structure is eutectoid in nature (100% pearlite). Will the microstructure...

30 April 2020 9,495 2 View

Is there any specific reason for the accumulation of primary carbides in a weld overlay by SAW process?

I am characterizing weld overlays by submerged arc welding process. Upon observing the microstructure of the cross section, there is a presence of a dense carbide band (accumulation of primary...

09 January 2020 2,157 2 View

What software would be best to simulate impact environment ?

I am trying to investigate the impact nature of steel balls (4 cm diameter) on steel plates. Which modelling software would be best to study the stress fields generated or any type of failure...

16 December 2019 2,265 4 View

Are there any studies regarding fully pearlitic/eutectoid steels with relation to soaking time during austenization ?

I am working on developing fully pearlitic steels with fine interlamellar spacing. I am going to heat up samples to austenization temperature (1000 degC) at a heating rate of 10 degC per second...

10 October 2019 3,074 3 View

Are there any relevant work on impact-abrasion wear testing?

I am working on a project involving studying the impact-abrasive wear during grinding. I am interested to know if there are any relevant papers that has studied or tested impact-abrasive wear of...

04 September 2019 755 2 View

Does the presence of excess lattice oxygen in thin films or coatings signify high surface energy of the films or coatings?

In cerium oxide coatings, I have found that there are excess lattice oxygen when oxygen to metal ratio is quite high. Does it mean that the coatings have higher surface energy when there is excess...

09 January 2018 1,233 3 View

What is the correct procedure for determining that the Grazing angle X-ray diffraction pattern is accurate ??

Consider that the TEM- selcted area diffraction pattern is also available for the same sample.

04 February 2016 9,631 3 View