Mechanistic characterization of polyethylene by incorporating fly ash

IF 12.7 1区材料科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Composites Part B: Engineering Pub Date : 2024-10-01 DOI:10.1016/j.compositesb.2024.111864

Ririt Aprilin Sumarsono , Yuya Sakai , Naoki Ogiwara , Sayaka Uchida , Shintaro Nakagawa , Naoko Yoshie

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Abstract

This study uses polyethylene (PE) with fly ash (FA), another industrial waste, to produce cementitious polymer-based product. PE was incorporated into FA in various mass compositions by hot-pressing under temperatures up to 125 °C and compaction pressures reaching 50 MPa. Their mechanical and chemical properties and morphologies were investigated to establish their applications. Although the heat treatment applied during hot-pressing was lower than the melting temperature of PE (132.6 °C), a sturdy yet lightweight product of 1 PE:2 F A was obtained with 30 MPa of compressive strength, 15 MPa of flexural strength, higher ductility, and a density of only 1453 kg/m³. The crystallinity of the specimens (from 70 % to 90 %) was observed through differential scanning calorimetry. Although direct chemical bonding between PE and FA did not result in, physical interactions due to high compaction pressures, as implied by the robust interlocking of semi-crystalline PE, the micro-spherical shape of FA particles improved the strength.

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加入粉煤灰的聚乙烯的机理特征

这项研究利用聚乙烯（PE）和另一种工业废料粉煤灰（FA）来生产水泥基聚合物产品。在温度高达 125 °C、压实压力达到 50 兆帕的条件下，通过热压将聚乙烯掺入不同质量成分的粉煤灰中。研究了它们的机械、化学特性和形态，以确定它们的应用。虽然热压过程中的热处理温度低于聚乙烯的熔化温度（132.6 °C），但仍获得了 1 PE:2 F A 的坚固而轻质的产品，其抗压强度为 30 MPa，抗弯强度为 15 MPa，延展性更高，密度仅为 1453 kg/m3。通过差示扫描量热法观察了试样的结晶度（从 70% 到 90%）。虽然聚乙烯和 FA 之间的直接化学键合不会导致高压实压力下的物理相互作用，但 FA 颗粒的微球形形状提高了强度。

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来源期刊

Composites Part B: Engineering 工程技术-材料科学：复合

CiteScore

24.40

自引率

11.50%

发文量

784

审稿时长

21 days

期刊介绍： Composites Part B: Engineering is a journal that publishes impactful research of high quality on composite materials. This research is supported by fundamental mechanics and materials science and engineering approaches. The targeted research can cover a wide range of length scales, ranging from nano to micro and meso, and even to the full product and structure level. The journal specifically focuses on engineering applications that involve high performance composites. These applications can range from low volume and high cost to high volume and low cost composite development. The main goal of the journal is to provide a platform for the prompt publication of original and high quality research. The emphasis is on design, development, modeling, validation, and manufacturing of engineering details and concepts. The journal welcomes both basic research papers and proposals for review articles. Authors are encouraged to address challenges across various application areas. These areas include, but are not limited to, aerospace, automotive, and other surface transportation. The journal also covers energy-related applications, with a focus on renewable energy. Other application areas include infrastructure, off-shore and maritime projects, health care technology, and recreational products.