Why grade A36 carbon steel is not recommended for storage of concentrated sulfuric acid(above 98%)?

Literature recommends that carbon steel is the appropriate material for storage of concentrated sulfuric acid (above 98%) at ambient temperature. But usage of grade A36 as material of construction...

06 July 2018 5,878 4 View

What is the possibility and amount of formation of matrensite during cold working at 27 0C, If Md30 temperature for AISI 321 is calculated as 9 0C.

03 April 2016 5,874 1 View

What is the maximum permissible limit of Zinc, Cu, Al, & Sn in AISI 304, & 321 Austenitic stainless steel?

03 April 2016 9,820 3 View

What is a good etchant for AISI 321 stainless steel?

which etchant gives good results in order to reveal the microstructure of AISI 321 stainless steel?

03 April 2016 3,106 8 View

What is the effect of Zn, Cu, Al, V, Na & Sn on mechanical properties especially the % elongation of AISI 321 Austenitic stainless steel?

What is the permissible limit of low melting impurities like Zn, Al, Cu, V, Na & Sn in AISI 321 steel. What is the impact of these impurities on mechanical properties of AISI 321 if these...

03 April 2016 7,399 0 View

What is the Relationship between misorientation angles/axis & angle/axis for coincidence site lattices.Can these be related to deformation mechanism?

31 December 2014 1,028 3 View

What could be the reasons of grain coarsening during tensile testing of Mg alloys?

Grain coarsening of a specific magnesium alloy during tensile testing has been observed which not only increased the hardness of the material but very surprisingly the texture got weaker. Please...

31 December 2013 8,861 6 View

Under what conditions during processing of magnesium alloys does the Hall-Petch relation reflect in reverse?

Does the Hall-Petch relation of finer the grain size higher the hardness hold to all Mg alloys? If some Mg alloys show reverse Hall-Petch relation, what could be the reasons?

08 September 2013 6,519 6 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 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 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

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

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

Can Ethovision store the generated data and video recordings directly to NAS system?

The size of data generated by Ethovision is huge. Having NAS system for data storage seems to be a good option, I am wondering whether Ethovision can directly store the data to the NAS system...

27 February 2021 6,350 2 View