高温下的粘附力--使用两种粒子系统进行的原子力显微镜研究

IF 1.5 4区工程技术 Q3 ENGINEERING, CHEMICAL

Chemie Ingenieur Technik Pub Date : 2024-08-02 DOI:10.1002/cite.202300244

Dr.-Ing. Lisa Ditscherlein, Prof. Dr.-Ing. Urs Alexander Peuker

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引用次数: 0

摘要

使用高温原子力显微镜研究了微米大小的氧化铝（Al2O3）和聚苯乙烯（PS）颗粒在高温下的粘附力。对于 Al2O3 颗粒，只发生了范德华相互作用。从玻璃化温度开始，PS 颗粒与加热接触面之间的粘附力会强烈增加。在接触点熔化之前，检测到颗粒最初变平。粘附力可以通过一个半经验方程来描述。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Adhesion Forces at High Temperatures – An Atomic Force Microscopy Study Using Two Particle Systems

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Adhesion Forces at High Temperatures – An Atomic Force Microscopy Study Using Two Particle Systems

Adhesive forces of micrometer-sized alumina (Al₂O₃) and polystyrene (PS) particles are investigated under elevated temperatures using a high-temperature atomic force microscope, where the smooth contact partner is heated. In the case of Al₂O₃ particles, only van der Waals interactions occur. The adhesive forces between PS particles and heated contact surface increase strongly starting from the glass transition temperature. An initial flattening of the particles up to melting at the contact point was detected. The adhesion forces can be described by means of a semi-empirical equation.

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来源期刊

Chemie Ingenieur Technik 工程技术-工程：化工

CiteScore

3.40

自引率

15.80%

发文量

601

审稿时长

3-6 weeks

期刊介绍： Die Chemie Ingenieur Technik ist die wohl angesehenste deutschsprachige Zeitschrift für Verfahrensingenieure, technische Chemiker, Apparatebauer und Biotechnologen. Als Fachorgan von DECHEMA, GDCh und VDI-GVC gilt sie als das unverzichtbare Forum für den Erfahrungsaustausch zwischen Forschern und Anwendern aus Industrie, Forschung und Entwicklung. Wissenschaftlicher Fortschritt und Praxisnähe: Eine Kombination, die es nur in der CIT gibt!