Comparison of long-term properties of laser sintered and injection molded polyamide 12 parts
JOURNAL OF POLYMER ENGINEERING(2018)
摘要
Selective laser sintering (SLS) of polymers is on the edge from a pure prototyping technique to a small-scale production. For this transition, characteristic values such as long-term properties, and thus the degradation mechanism, are crucial factors for enabling a series application. Due to the specific characteristics of SLS parts like porosity and rough surfaces, a direct transfer of known mechanisms and models for injection molded (IM) parts is not or just to a limited extent possible. This leads to the aim of this paper, which is to investigate and compare the degradation behavior of polyamide 12 parts produced by SIS and IM.
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关键词
additive manufacturing,ageing behavior,long-term properties,polyamide 12,selective laser sintering
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