1. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Specimen of peeling test Figure Legend:

2. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Stages of peeling test, (a) elongation of pipe, (b) bending of pipe, (c) separation of fused interface, and (d) fracture of pipe Figure Legend:

3. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Tensile curve of peeling test Figure Legend:

4. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Specimen after peeling test Figure Legend:

5. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Bonding energy calculated by phenomenological model and deformation energy analysis Figure Legend:

6. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Four procedures of EF welding Figure Legend:

7. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Flow diagram of fitting program Figure Legend:

8. Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Safety Assessment of Cold Welding Defect in Electro-Fusion Joint of Polyethylene Pipe J. Pressure Vessel Technol. 2013;135(5):051403-051403-6. doi:10.1115/1.4024447 Safety assessment of EF joint containing cold welding defect Figure Legend: