Microstructure and Mechanical Properties of the Butt Joint in High Density Polyethylene Pipe

Figure 2

Optical image of the weld seam for (a) W-PE10, (b) W-PE60, and (c) W-PE70. The pictures of weld seams of HDPE pipes were taken after etching the weldment using potassium permanganate based etchant for 1 day. Full-notch tensile fracture surface of butt joint for (d) W-PE10, (e) W-PE60, and (f) W-PE70.

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