Research Article
Purity Effect of High-Strength Steel on Failure Behavior of Automobile Front Axle
Table 3
Low magnification structure observation results.
| | Sample number | Pattern segregation | General porosity | Center porosity | Spot segregation |
| | Steel A | X-1 | Grade 1.5, Figure 4(a) | Grade 0 | Grade 0 | Grade 0 | | X-2 | Grade 1.5, Figure 4(b) | Grade 0 | Grade 0 | Grade 0 | | X-3 | Grade 1, Figure 4(c) | Grade 0 | Grade 0 | Grade 0 | | X-4 | Grade 1, Figure 4(d) | Grade 0 | Grade 0 | Grade 0 |
| | Steel B | Y-1 | Grade 0 | Grade 1.5, Figure 4(e) | Grade 0 | Grade 0 | | Y-2 | Grade 0 | Grade 1, Figure 4(f) | Grade 0.5 | Grade 0 | | Y-3 | Grade 0 | Grade 1, Figure 4(g) | Grade 0 | Grade 0 | | Y-3-1 | Grade 0 | Grade 0.5, Figure 4(h) | Grade 0 | Grade 0 | | Y-4 | Grade 0 | Grade 0.5, Figure 4(i) | Grade 0 | Grade 0 |
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