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Questions related from Cai Jiawei
For sintered 18Ni300, under the sintering condition of low vacuum degree, the grain boundary is oxidized. The attachment is XRD and EDS test result. Is the darker second phase mainly Fe2TiO4?
03 March 2023 9,315 2 View
How may the problem be resolved if carbides are generated on the grain boundaries of sintering-prepared H13 alloy and the elongation is less than 5%?
17 February 2023 5,404 3 View
Why does the tensile strength of the H13 alloy produced by binder jetting using 5-25 μm at 1380 °C and 50mtorr decrease from 1500 MPa to 400 MPa as the sintering time increases from 2h to 20h,...
16 February 2023 1,395 1 View
I prepared a pure tungsten green body (powder particle size 5-25 μm) by binder jetting, and the density of the green body is 53%. At what temperature should it be sintered to obtain a density of...
07 December 2022 3,347 2 View
The sintering of 18Ni300 will encounter the enrichment of titanium and aluminum elements on the grain boundaries. Is there any possible reason? How to avoid its occurrence to achieve densification?
31 July 2022 6,990 1 View
