Q106
Match the materials in Group 1 with the possible microstructure adjacent to the fusion line in the heat affected zone, in Group 2. Group 1 Group 2 P. Pure aluminium 1. Martensite Q. 0.6 mass% carbon steel 2. Grain boundary precipitation R. Aged AI 4.5 mass% Cu alloy 3. Coarse precipitates S. 18/8 stainless steel 4. Bainite 5. Coherent precipitates 6. Twins 7. Grain growth
Match the materials in Group 1 with the possible microstructure adjacent to the fusion line in the heat affected zone, in Group 2.
| Group 1 | Group 2 |
| P. Pure aluminium | 1. Martensite |
| Q. 0.6 mass% carbon steel | 2. Grain boundary precipitation |
| R. Aged AI 4.5 mass% Cu alloy | 3. Coarse precipitates |
| S. 18/8 stainless steel | 4. Bainite |
| 5. Coherent precipitates | |
| 6. Twins | |
| 7. Grain growth |
A.
P-6, Q-1, R-5, S-2
B.
P-7, Q-1, R-2, S-4
AnswerC.
P-4, Q-3, R-2, S-6
D.
P-7, Q-1, R-3, S-2
Answer: Option B
Solution
Answer: Option B
No explanation is given for this question Let's Discuss on Board