## Abstract Advanced methods of conducting and analyzing instrumented Charpy impact tests are described and used in measuring the initiation fracture toughness __K__~1__c__~ at a range of impact velocities and temperatures. Improvements developed in the impact testing of metals are discussed and ap
Experimental analysis of inertial effects in the impact testing of polymers
β Scribed by C. Zanichelli; M. Rink; A. Pavan; T. Ricco
- Publisher
- Society for Plastic Engineers
- Year
- 1990
- Tongue
- English
- Weight
- 620 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0032-3888
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β¦ Synopsis
Abstract
Inertial effects occurring In the impact testing of polymers were experimentally probed by measuring the force versus time response of various materials with two different instrumented impact testers, both with and without anvil. The analysis focused on the first force peak, which was modeled using a massβspring analog to account for machineβspecimen interaction.
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The relationship between single fibre efficiency, inertia parameter, and filter packing is explored theoretically using the Happel cellular model.
B cumulative breakage function G lumped grinding parameter defined in Eq. 10 H lumped grinding parameter defined in Eq. 12 M mass fraction of particles R cumulative fraction retained S selection function NOTATION B breakage function r grinding time Z normalized cumulative breakage function i, j, k,