Victor Alcántara

10 Questions 8 Answers 0 Followers

Questions related from Victor Alcántara

Someone could explain the precipitation mechanisms in the GÜINIER-PRESTON (G.P) zones in the aging of aluminum alloys?

I have only found descriptions, but no explanations

05 December 2021 3,364 1 View

Someone could explain to me: what is the difference between the precipitates β´ (Mg1.8Si) and β´´ (Mg5Si6), in the aging of Al-Mg-Si alloy?

How does each precipitate affect the hardening of these alloys?

19 October 2021 3,298 3 View

Some TWIP steels are susceptible to hydrogen-induced failure, but adding up to 2% aluminu improves the situation. What mechanisms explain this phenom?

On the role of aluminum in TWIP steels

23 July 2020 5,919 4 View

Why dual phase steels (DP) exhibit continuous yielding, i.e. there are no clear yield points in stress-strain curves after tensile test ?

What happens to dislocations?

09 June 2020 9,480 6 View

How affects the type of bainite (upper and lower) In the characteristics of toughness and fracture in carbon and alloy steels?

With which type of bainite is greater tenacity achieved

04 May 2020 4,735 3 View

What is the difference between ferritic and austenitic nitrocarburized?

Which of them gives greater hardness and resistance to corrosion and wear?

18 April 2020 7,713 0 View

How grain size influences creep resistance?

If I had influence. Can you explain the reason for the change?

10 April 2020 3,123 4 View

So that a steel (12% C, 12% Cr ..) improves its wear resistance with a deep cryogenic treatment. How many subsequent tempering do I have to do?

The question answers a study of improvement of mechanical properties in ledeburitic steels

08 April 2020 387 0 View

Why grain refinement in metals results in increased corrosion current density (icorr). ?

I want to know if there is a well-defined relationship between the size and morphology of the grains with the resistance to corrosion of metals

24 March 2020 6,469 11 View

Difference in manganese steels: TWIP and Hadfield steels?

I know that they are two manganese steels, but I want to know: 1) What is the effect of manganese on both steels? 2) If the manganese concentrations is the same, which properties are the same too?

01 January 1970 6,713 6 View