ADVANCED MATERIALS & PROCESSES | NOVEMBER/DECEMBER 2023 37 LEARN MORE This article is excerpted from Jeffrey A. Jansen, Characterization of Plastics in Failure Analysis, Characterization and Failure Analysis of Plastics, Vol 11B, ASM Handbook, Todd J. Menna, Ed., 2023. The unabridged article including all references is available by purchasing the book from the ASM International bookstore: asminternational.org/hbvol11b. The book is also available in the ASM Digital Library at dl.asminternational.org/handbooks. TABLE 1 — SPECTRAL BAND INTENSITIES Sample Butadiene 964 cm-1 Styrene 751 cm-1 Butadiene/styrene ratio Ductile lot 1 0.0130 0.0780 0.167 2 0.0110 0.0660 0.167 3 0.0099 0.0570 0.174 Brittle lot 1 0.0068 0.0685 0.099 2 0.0130 0.1320 0.098 3 0.0110 0.1040 0.106 Spectral band intensities for a ductile sample and a brittle sample, illustrating variation in the ratio in content between butadiene and styrene. References 1. J.A. Jansen, Conducting a Plastic Component Failure Investigation: Examples from the Appliance Industry, International Appliance Technology Conference, p 2, March 2002. 2. J.A. Jansen, Plastic Component Failure Analysis, Adv. Mater. Process., p 56, 58, 59, May 2001. 3. A.T. Riga and E.A. Collins, Analysis of Structure, Engineering Plastics, Vol 2, Engineered Materials Handbook, ASM International, p 825-826, 1988. 4. J. Scheirs, Compositional and Failure Analysis of Polymers, p 109, 138, 153, 393, 415, John Wiley & Sons, 2000.
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