10 Questions 16 Answers 0 Followers
Questions related from Muhammad Waqas Khalid
I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...
17 July 2024 3,182 5 View
I am preparing polycrystalline diamond (PCD) with tape casting. The powder is 8~12 um. After drying of tapes, I place several tapes in Ta cup without warm-pressing. Next, debinding is carried...
24 June 2024 7,718 2 View
I usually use PEG-200 and PEG-300 that are in liquid form. Recently I received PEG-100 from a company that usually do not make PEG-100, and made it once specially for us. It is not in liquid...
13 March 2024 1,788 5 View
I am using 4000 cP methyl cellulose for aqueous tape casting. Since it gives very viscous solution, I am dissolving it in 1.5 wt% in 98.5 wt% DI water. Still it is a very viscous solution. Because...
18 October 2023 1,896 2 View
I want to make slurry for aqueous tape casting of alumina (500 nm avg. particle size) using PVA binder and PEG plasticizer, but I am not being able to optimize the contents. 1. In what quantity...
26 April 2021 833 4 View
Usually I measure grain size of my dense ceramic samples from SEM microstructures using ImageJ by line-intercept method. But now I have a range of samples with 90 to 94% density. The SEM images...
14 October 2020 5,538 4 View
Can you please tell what releasing agent should i use for gypsum mold for slip casting, and how to use?
25 August 2020 2,420 9 View
I have recently started working on slip casting. I couldn't find the plaster of paris molds in the market where I could search for laboratory scale slip casting. Plus I have read in papers they...
25 March 2020 2,406 3 View
In papers, shrinkage during sintering is mentioned in percentage. What is the reason for it, and how to calculate the percentage? And please also tell how to calculate activation energy of...
12 December 2018 9,739 3 View
If you have, please send me at [email protected] Thank you.
12 September 2018 8,511 1 View