1. ISO standard, ISO 18278-2. Resistance welding – weldability – Part 2: alternative procedures for the assessment of sheet steels for spot welding; 2004.
2. ISO standard, ISO 14272. Specimen dimensions and procedure for cross tension testing resistance spot and embossed projection welds; 2001.
3. ISO standard, ISO 14273. Specimen dimensions and procedure for shear testing resistance spot, seam and embossed projection welds; 2002.
4. Evaluation of spot weldability of high-strength sheet steels for automobile use;Nishi;Nippon Steel Tech Rep,1982
5. Spot weld size and fracture mode in low carbon mild steel;Williams;Metal Construct,1979