GATE MT · 2018 · MT
Question 25: Diffusion in solids
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Question 25
MTNAT1 markNeeds review
A copper-aluminium diffusion couple develops a certain concentration profile after an isothermal treatment at 600°C for 10 hours. The time required to achieve the same concentration profile at 500°C is ________ (in hours to 1 decimal place)
Given: The interdiffusion coefficient for copper in aluminium at 500°C and 600°C are
and
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2018MT
GATE MT 2018 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- Metallurgical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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