Entries by Hannah Wangui

Briefly discuss the effect of σ​zz​​ as to whether the effect is significant, secondary, or insignificant, providing an explanation.

December 6, 2020 in /by

A block of AISI 1020 steel with a yield strength of 260 MPa is subjected to a compressive stress σ​ZZ​τ​xy ​ = -120 MPa and shear stress, ​​ . A) What is the largest value of τ​XY​​ that can be applied if the safety factor against yielding must be equal to 2? B) Is there […]

 

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POWDER METALLURGY

December 6, 2020 in /by

POWDER METALLURGY a) Should green compacts be brought up to the sintering temperature slowly or rapidly? Explain your reasoning. b) Describe the relative advantages and limitations of cold isostatic pressing (CIP) and hot isostatic pressing (HIP). c) Name the various methods of powder production and the morphology of the powders produced.   Looking for a […]

 

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POWDER METALLURGY

December 6, 2020 in /by

POWDER METALLURGY a) What are some P/M (powder metallurgy) products that have been intentionally designed to use the porosity or permeability features of the process? b) Describe some of the materials that can be made into P/M parts that could not be used for processes such as casting and forming.   Looking for a Similar […]

 

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POWDER METALLURGY

December 6, 2020 in /by

POWDER METALLURGYa) Why must powder metals be sintered in a controlled atmosphere? b) What advantages does powder metallurgy offer?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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