Influence of pH value on erosive wear of 3D-printed polylactic acid for multiphase flow

IF 1.8 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Research Express Pub Date : 2024-09-09 DOI:10.1088/2053-1591/ad75e5

Syed Muhammad Mahad, Rehan Khan, Michał Wieczorowski, Jana Petru, Asiful H Seikh and Ibrahim A Alnaser

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Abstract

Slurry erosion presents a critical challenge in hydrocarbon and cement processing industries, as well as in abrasive water jet cutting systems, leading to diminished operational efficiency and elevated maintenance costs. This study investigates the erosive wear behavior of Poly-Lactic Acid (PLA) fabricated with varying infill microtextures—zigzag, concentric, and grid—under diverse pH conditions (2.73, 7.75, and 10.15) using garnet particles as the erodent. The results demonstrate that optimal operational conditions for PLA are achieved with a grid microtexture, a pH of 7.75, and a 325 μm erodent size. Conversely, the most severe wear occurs under a pH of 10.15, a 600 μm erodent size, and a zigzag microtexture. The grid microtexture is the most effective in minimizing erosion, while the zigzag pattern shows a 16.68% increase in wear when compared to the grid microtexture. Additionally, a shift from a slightly basic to a highly acidic environment increases wear by 1%, whereas a transition to a highly basic environment leads to a 32.6% increase in erosion within the grid microtexture. The study highlights the significant contributions of infill microtexture (64%), erodent size (23.7%), and pH value (11%) to the overall erosion rate.

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pH 值对多相流 3D 打印聚乳酸侵蚀磨损的影响

浆料侵蚀是碳氢化合物和水泥加工行业以及加砂水射流切割系统面临的严峻挑战，会导致运行效率降低和维护成本上升。本研究使用石榴石颗粒作为侵蚀剂，研究了在不同 pH 值条件（2.73、7.75 和 10.15）下，采用不同填充微观纹理（之字形、同心圆和网格）制造的聚乳酸（PLA）的侵蚀磨损行为。结果表明，在网格微观纹理、pH 值为 7.75 和侵蚀剂大小为 325 μm 的条件下，聚乳酸可达到最佳运行条件。相反，在 pH 值为 10.15、磨蚀剂尺寸为 600 μm、微纹理为 "之 "字形的条件下，磨损最为严重。网格状微纹理能最有效地减少侵蚀，而人字形微纹理与网格状微纹理相比，磨损增加了 16.68%。此外，从微碱性环境转变到高酸性环境会使磨损增加 1%，而转变到高碱性环境则会导致网格微观纹理的侵蚀增加 32.6%。该研究强调了填料微观纹理（64%）、侵蚀物大小（23.7%）和 pH 值（11%）对总体侵蚀率的重要贡献。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Research Express MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

4.50

自引率

4.30%

发文量

640

审稿时长

12 weeks

期刊介绍： A broad, rapid peer-review journal publishing new experimental and theoretical research on the design, fabrication, properties and applications of all classes of materials.