Metallurgical Principles and Practice of Engineering (PE) Study Guide: Question #32

It Is the Policy of The Minerals, Metals & Materials Society (TMS) to Encourage the Professional Registration of Metallurgical Engineers.
The designer decides to possibly eliminate all porosity. Which of the following fabrication changes will reduce porosity in this part?

(A)	Decrease sintering temperature
(B)	Increase sintering temperature
(C)	Provide an atmosphere of N upon sintering
(D)	Provide a O₂ environment upon sintering

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