2017
DOI: 10.1002/pen.24799
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Mechanical testing of micromolded plastic parts by nanoindentation

Abstract: Weld lines occur when two melt streams are combined. They may result in purely cosmetic imperfections, but also may represent part failure if placed in an area on the plastic highly subjected to stress during service. Qualitative assessment of these structural and cosmetics defects is usually accomplished by conventional mechanical characterization, destructive by nature, such as tensile testing or dynamic mechanical analysis (DMA). Nanoindentation offers the possibility for quick quasi‐nondestructive in situ … Show more

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“…For the practical experiment research, there is universal evaluate system of weld line, such as length and depth of the V‐shape groove for measuring appearance quality , and tension/impact strength for evaluating mechanical properties . But the practical experiments are costly and time‐consuming.…”
Section: Introductionmentioning
confidence: 99%
“…For the practical experiment research, there is universal evaluate system of weld line, such as length and depth of the V‐shape groove for measuring appearance quality , and tension/impact strength for evaluating mechanical properties . But the practical experiments are costly and time‐consuming.…”
Section: Introductionmentioning
confidence: 99%