模内连续注塑成型工艺参数对自增强单一复合材料机械性能影响的研究

IF 1.7 4区 工程技术 Q4 POLYMER SCIENCE
Yong Lu, Chen Wang
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引用次数: 0

摘要

本文通过复合注射成型技术获得了具有不同力学性能的自增强单体聚合物复合材料(SR-SPCs),并观察了这些样品的微观形态。然后,利用结构统计方法、方差分析和响应面方法,研究各种成型变量对材料形态和性能的影响,并确定最重要的成型变量及其相互作用。最后,利用最小二乘最小化程序对相关实验数据进行拟合,得到相关的无量纲方程。目的是客观分析成型参数对 SR-SPC 的影响机理,并建立机理模型。研究发现,温度变化是影响形貌和机械性能的最重要因素。分子取向度是决定样品拉伸强度和弹性模量的最重要因素。结晶度的变化是与断裂伸长率相关的最重要因素。通过建立相关的无量纲方程,初步研究了成型参数对拉伸强度和弹性模量等 SR-SPC 力学性能的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study on the influence of in-mold sequential injection molding process parameters on mechanical properties of self-reinforced single composites
In this paper, the self-reinforced single polymer composites (SR-SPCs) with different mechanical properties were obtained by compound injection molding technology, and the micro-morphology of these samples was observed. Then, using structured statistical methods, analysis of variance, and response surface methodology, study the effects of various molding variables on material morphology and properties and determine the most important molding variables and their interactions. Finally, the associated experimental data are fitted by the least squares minimization program, and the relevant dimensionless equations are obtained. The purpose is to objectively analyze the influence mechanism of molding parameters on SR-SPCs and establish a mechanism model. It was found that temperature change was the most important factor affecting the morphology and mechanical properties. The degree of molecular orientation is the most important factor to determine the tensile strength and elastic modulus of the sample. The change of crystallinity is the most important factor related to the elongation at break. By establishment relevant dimensionless equations, the influence of molding parameters on the mechanical properties of SR-SPCs, such as tensile strength and elastic modulus, was preliminarily studied.
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来源期刊
Journal of Polymer Engineering
Journal of Polymer Engineering 工程技术-高分子科学
CiteScore
3.20
自引率
5.00%
发文量
95
审稿时长
2.5 months
期刊介绍: Journal of Polymer Engineering publishes reviews, original basic and applied research contributions as well as recent technological developments in polymer engineering. Polymer engineering is a strongly interdisciplinary field and papers published by the journal may span areas such as polymer physics, polymer processing and engineering of polymer-based materials and their applications. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes.
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