MEC 431 Lecture Notes - Lecture 18: John Wiley & Sons, Tungsten Carbide, Powder Metallurgy

• School: Ryerson University
• Department: Mechanical Engineering
• Course: MEC 431
• Professor: N/ A

Document Summary

Module 8: powder metallurgy read textbook: 4th ed. chapter 16 (all) 5th ed. chapter 15 (all) References for this section come from your course textbook: 2012 john. Wiley & sons, inc. m p groover, fundamentals of modern manufacturing. Filters, oil-impregnated bearings and gears converted to product porous metal parts. 5 control produced in other ways shaped by powder metallurgy: certain metals that are difficult to fabricate by other methods can be. Limitations time, fire hazards with certain: metallicpowdersareexpensive, problemsinstoringandhandlingmetalpowders degradation over, limitationsonpartgeometrybecausemetal powders do not readily flow, variationsindensitythroughoutpartmaybea problem, especially for laterally in the die during pressing complex geometries metals. Geometric features of engineering powders: particle size and: particle shape and internal structure, surface area distribution. Particle size: most common method uses screens of different mesh sizes, mesh count - refers to the number of openings per linear inch of. A mesh count of 200 means there are 200 openings per linear inch.