There are different nanoparticles such as SiC, Al2O3 and etc. Each one has its own particular effects on the properties of FSWed joint. But which one is the most effective?
SiC, Al2O3 are not alone nano particles. The material properties are greatly affected by nano particles.
C. U. Pittman I suggest you ask Professor Judy Schneider of the ME Dept. at Mississippi State Univ. who is an expert in FSW and has an interest in adding various additives to this process.
Hi, the previous replies are correct. There is a large number of nanoparticles that can be introduced to reinforce the weld. SiC, alumina, NiTi, etc. It much depends on how strong you need the joint to be, the base material, what Al alloy are you thinking of? 2xxx series or 5xxx? how thick? in which environment? because all these factos determine the best one
so eventually if you can be more specific, that would help
Thank you very much for your comprehensive response. For more detail I can say, base materials are 5xxx and 7xxx series. The target is joining together or each one separately. The thickness of sheets is 5 or 6 mm. position is butt weld and environment is normal condition in air.
Hi, About the powder, SiC has more hardness than Al2O3, I think add SiC to aluminum alloys on FSW process that can increase weld strength. Because add SiC powder, which making dislocation of weld motion difficult. Among to compare of the structure and melting point, Al2O3 is similarly with specimen, relatively the powder of SiC is compete not.
What is the difference between the composite material (al with sic) with base metals and adding nano powder with basemetals which will more strength
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