This set of Powder Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on "Sintering Mechanism – 1". ... resulting in mass transport along the vapor pressure gradient, from the convex surfaces to the concave necks and the driving force for this mechanism is the surface tension force, which gives rise to stresses in the green ...
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WhatsApp: +86 18221755073Sintering is a critical process in powder metallurgy that involves the thermal treatment of a compacted powder to enhance the strength and integrity of the material. This process leads to the bonding of particles within the compacted powder, which significantly improves its mechanical properties.
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WhatsApp: +86 18221755073A. Any number od data may lie within -1σ to +1σ. B. At least 75% data lie within -1σ to +1σ. C. At least 88.8% data lie within -2σ to + 2σ. D. At least 75% data lie within -3σ to + 3σ. …
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WhatsApp: +86 18221755073c. powder of metal is made by ball milling. d. the hydrogen reduces the oxide to metallic powder (Ans:b) The process carried out in powder metallurgy is as follows. i. preparation of powder ii. Grading of powder. iii. Compacting of powder iv. Sintering. The correct sequence is
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