Shitong Wei

11 Questions 10 Answers 0 Followers

Questions related from Shitong Wei

The forming conditions of epsilon and alpha martensite?

Does anyone know the forming conditions of epsilon and alpha martensite? Thank you.

04 April 2016 7,189 3 View

Does anyone know the forming mechanism of the annealing twins in austenitic steels after annealing treatment?

04 April 2016 7,715 1 View

The effects of Co and Al in steels?

Why does the Co make the CCT curve move leftwards? Why do the Al and Co raise the Ms point? Thank you.

04 April 2016 818 0 View

Does anyone know the method of changing the as-welded columnar austenite microstructure into equiaxed austenite microstructure?

Does anyone know the method of changing the as-welded columnar austenite microstructure into equiaxed austenite microstructure in the weld metal of the austenitic steel? Thank you.

03 March 2016 4,026 4 View

Does anyone know the differences of the resistance spot weldability of the galvanized and galvanneal steel sheets?

Does anyone know the differences of the resistance spot weldability of the galvanized and galvanneal steel sheets? The electric resistances of the Zn layer on galvanized steel sheet and the Zn-Fe...

03 March 2016 6,921 1 View

How to confirm the deformation mechanism of spot welds with different Mn contents?

Resistance spot welds with different Mn contents can be obtained by the resistance spot welding of TWIP steel with other steel (such as TRIP,DP, QP, etc.). How can we confirm the deformation...

01 January 2016 1,632 3 View

Does anyone know the effect of Mn on the stacking fault energy of austenite in steel, and how to measure the stacking fault energy of austenite?

Does anyone know the effect of Mn on the stacking fault energy of austenite in steel, and how to measure the stacking fault energy of austenite? Thank you.

01 January 2016 7,037 2 View

Does anyone know the effect of Mn content on the transformation of austenite to martensite in high Mn steel during deformation process?

Does anyone know the effect of Mn content on the transformation of austenite to martensite in high Mn steel during deformation process? For the high Mn steel with full austenite microstructure,...

10 October 2015 927 5 View

What is the effect of Al on diffusion of H in steel?

What is the effect of Al on diffusion of H in steel? Can the Al addition in steel suppress the hydrogen induced cracking of steel and why? Thank you.

10 October 2015 6,638 3 View

Can anyone tell me the differences among the three nugget diameters along the three interfaces in the four-layer resistance spot welds?

For the four-layer resistance spot welds, there are three interfaces in the spot welds, namely two side interfaces and one center interface. The nugget diameters along the two side interfaces are...

03 March 2015 220 1 View

What will happen if the steels were quenched for more than one time?

For high strength steels, fully austenite microstructure can be obtained when the steels were quenched from the temperatures above the austenitizing temperature. If we conduct the quenching...

01 January 2015 7,002 19 View