Simulation Analysis on the Fracture Failure of S2 Alloy Steel Screwdriver Bits
Xindi Feng, Zhongjun Wang · 2026
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Description
Xindi Feng and Zhongjun Wang published a 2026 engineering study on why screwdriver bits snap. The bits are made from alloy steel. Fractures looked uneven in failed batches. Microscopy examined the broken surfaces closely. Computer simulations modeled heating and twisting stresses.
Two flaws combined to weaken the bits. Low heating left the steel structure uneven. Low furnace carbon thinned the surface hardness. Soft surface layers became crack starting points. Quenching and service stresses then drove cracks onward. Uniform, hard tempered steel performed best. The findings translate into concrete factory settings. Better heat treatment should cut field failures.
Catalog record
| CREATOR | Xindi Feng, Zhongjun Wang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 50 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |