23 Questions 113 Answers 0 Followers
Questions related from Esmaeil Damavandi
I tried some etch reagents like Keller, weck and HF but I couldn't see the grain boundaries of Al matrix.
08 August 2017 2,863 2 View
ABS = Acrylonitrile Butadiene Styrene PLA = Poly Lactic Acid these materials are used in 3D printer. the final part is combining of two materials that are mentioned before. I want to destroy PLA...
02 February 2015 5,135 7 View
I studied some articles and in some images the color of Al2O3 particles in Al matrix composite is white but in my image of SEM ( with EDX) is gray. Can anyone explain the difference?
07 July 2014 8,248 21 View
Al A356
01 January 2014 7,377 2 View
I did several experiments for dispersion of Al2O3 particles in molten Al A356 matrix but I couldn't catch any results, heat treatment of Al2O3 in 900 deg for 2 hrs and another experiment in 400...
01 January 2014 6,900 5 View
I'm working on MMCs with Al2O3 reinforcing particles in Al matrix. In articles it is mentioned that for better wettability of Al2O3 with molten Al it's effective to add Mg powder. How can I avoid...
01 January 2014 416 1 View
I want to know that i can do heat treatment Al2O3 particles ( 900 deg for 2 hrs ) without inert gas ? because i don't have this instruments for inert gas in the furnace.
01 January 2014 4,172 6 View
Al2O3 particles don't have wettability with molten Al. They float on the surface of the molten without any change in structure of particles.
01 January 2014 5,103 7 View
According to articles I've added 5 percent alumina to molten (aluminum) but the amount of dissolution were low and it were exposed a lot of powders on the surface of the molten. I can't...
12 December 2013 589 8 View
I've tried more than once but I can't install that. Does anyone have an idea why this keep happening?
11 November 2013 7,179 8 View
- Argon gas is injected into the aluminum molten with ceramic powders - I am producing metal matrix composite by stir casting
09 September 2013 9,981 5 View
I chose the steel for impeller. Production aluminum matrix composite reinforced with ceramic particles by stir casting.
09 September 2013 9,204 8 View
Temperature? Time? What is your reason?
09 September 2013 1,396 8 View
I'm working on casting alloys (Al A356 ) and producing the composites with semi solid processing. I'm using Al2O3 powders as reinforcement.
09 September 2013 6,331 19 View
I have a fan engine and I want to get Output RPM
09 September 2013 5,302 13 View
This method's time is low.
08 August 2013 2,743 2 View
Is TiC matching with Al A356 ( matrix)?
07 July 2013 7,480 8 View
Many people are sitting near Emam Ali in the mosque. The man entered the mosque and asked: Ali! I have a question. which one is better, money or science? he said : science is better because...
07 July 2013 3,947 11 View
I want to find the best powders to add to melt (Al). this powders must have these properties: 1. increase hardness of produced composite 2. thermal resistance 3. matching with Al-matrix 4. High...
07 July 2013 4,833 9 View
I want to know what are the methods of adding powders (for example SiC) to melt ( Al ) for fabricate composites in semi solid processing?
07 July 2013 7,048 8 View
I want to find some reference for getting information about this, to teach me about Reverse Engineering.
07 July 2013 5,338 5 View
Mechanical properties and other properties. ( wear resistance and hardness and etc )
07 July 2013 2,011 11 View
I want to buy some materials , ie Al A356 and TiC. Can anyone recommend an address of a site that I can refer to for prices?
07 July 2013 1,468 1 View
