Appendix E: This appendix presents tables that …

Wohlers Report 2015 Appendix E: Material Properties COPYRIGHT 2015 1 WOHLERS ASSOCIATES, INC. Appendix E: Material properties by Fabian Alvarez-Primo, Joel English, and Jorge Mireles This Appendix presents tables that compare the physical and mechanical properties of some of the most popular materials for additive manufacturing. The first table provides common manufacturing materials for the purpose of comparison. These 51 pages are private and not published elsewhere. Description ABS (acrylonitrile butadiene styrene) Nylon 66 Polycarbonate PVC (polyvinylchloride) Polypropylene Tensile strength (ASTM D638) lb/in2 (MPa) 6,628 (46) 9,224 ( ) 9,065 ( ) 5,000-9,000 (34-62) 4,500-5,400 (31-37) Tensile modulus (ASTM D638) lb/in2 (MPa) 290,000 (2,000) 305,000 (2,100) 334,000 (2,300) 350,000-600,000 (2,400-4,100) 170,000-250,000 (1,172-1,724) Elongation % at break 110 3-120 7-13 Elongation % at yield N/A 6% N/A N/A Impact strength (notched Izod) ft-lb/in of notch (J/m) ( ) ( ) ( ) ( ) (21-75) Hardness 75-115 Rockwell (R) 93-122 Rockwell (R) 118-133 Rockwell (R) 70 Shore (D) 68-83 Shore (D) Glass-transition temperature C (Heat-deflection temperature C) N/A (94-194) N/A (80-210) 150 (130) N/A (66-89) 130-168 (107-121) Source: and CADCAMNet Note: Ryan Wicker, David Roberson, and David Espalin contributed to this Appendix .

Appendix E: This appendix presents tables that compare the ... ... (Rockwell

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