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[On method of impact test for composite resins (author's transl)]
Shika Rikogaku Zasshi. Journal of the Japan Society for Dental Apparatus and Materials
|January 1, 1981
Summary
This study suggests preparing composite resin impact test specimens with a V-notch during polymerization. It also recommends developing smaller impact testing machines due to low sample yield in Izod impact tests.
Area of Science:
- Materials Science
- Polymer Science
- Mechanical Testing
Context:
- Investigating impact test methods for composite resins based on JIS K 7110.
- Addressing challenges with heterogeneous paste-type materials like composite resins.
Purpose:
- To optimize the impact testing methodology for composite resins.
- To improve specimen preparation and testing efficiency.
Summary:
- Recommends incorporating V-notch creation during the polymerization of composite resin test specimens, rather than mechanical notching.
- Highlights the low sample yield during Izod impact testing (JIS K 7110), suggesting a need for smaller capacity testing machines.
Impact:
- Provides a more reliable method for composite resin impact testing.
- Aims to reduce material waste and testing costs.
- Informs the development of specialized testing equipment for polymers.