How would this treatment affect the following properties

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A 0.20 wt% carbon steel gear was pack carburized and carbon concentration at the surface was increased to 0.8wt%, and subsequently heated and held in the austenitic temperature range until complete transformation to austenite occurred. The gear was quenched in water; how would this treatment affect the following properties: (3)

a. Strength at the surface:

b. Hardness at the core:

c. The most probable microstructure/phase at the surface (identify):

Reference no: EM131579188

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