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WhatsApp: +86 18221755073Powder metallurgy – science of producing metal powders and making finished /semifinished objects from mixed or alloyed powders with or without the addition of nonmetallic constituents Steps in powder metallurgy:Powder production, Compaction, Sintering, & Secondary operations Powder production: Raw materials => Powder; …
WhatsApp: +86 18221755073The powder metallurgy process consists of mixing elemental or alloy powder, compacting the mixture in a die and then sintering or heating the resultant shape in a controlled atmosphere. Powder metallurgy is a highly developed method of manufacturing ferrous and ... Question Session ? Author: prince Created Date: 4/15/2020 12:24:34 PM ...
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WhatsApp: +86 18221755073Answer: b Explanation: In optical microscopy, there are two objective lens and one of them contain a square grid (16×16) and area of each square is 0.25m 2.We can calculate the particle size using this square grid where we have to count the number of , 75%, 50% and 25% squares and then using the below formula we obtain the particle size.
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WhatsApp: +86 18221755073Explanation:. Powder metallurgy: Powder metallurgy is a process in which metallic powders are heated below their melting temperatures to achieve bonding.; It involves metal or alloy powders to be compacted into the desired shape after blending, and then to be heated in a controlled atmosphere at a temperature below their melting points …
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