包覆生物聚合物的热行为

Alina Marguță, D. Nedelcu, S. Mazurchevici
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引用次数: 1

摘要

塑料材料的热行为对其性能有很大影响。在目前的研究中,科学家们正在使用不同的设备,通过识别和定位材料加热过程中发生的转变和放热/吸热反应来突出零件的量热行为。本文旨在从热的角度表征涂有三种不同微陶瓷粉末的木质素基聚合物(Aroblend V2 Nature):两种基于氧化铬-Cr2O3、Cr2O3-xSiO2-yTiO2(商品名Amdry 6420和Metco 136F),一种基于氧化锆-ZrO2 18TiO2 10Y2O3(商品名Metco 143)。要覆盖的样品是通过在模具中注射获得的,所使用的涂层技术是热APS(大气等离子体喷涂)。热分析后,所有三个涂层样品的热稳定性均达到230°C,木质素基质的降解发生在345°C左右。因此,基于这些重要数据,可以提出在实际应用中使用的建议。因此,涂有陶瓷微粒的Arobelnd V2 Nature生物聚合物在不超过200°C的正常工作参数下工作。论文在开头部分还强调了对涂层过程的系统分析,以强调对输出参数有重大影响的因素,如:结构、形态、机械、摩擦学和热行为。
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THERMAL BEHAVIOR OF COATED BIO-POLYMERS
Thermal behavior in plastic materials has a strong influence on their performance. In the current research, scientists are using different equipment that highlights the calorimetric behavior of parts by the identification and localization of transitions and exothermic/endothermic reactions that take place during material heating. The paper aims to characterize from a thermal point of view a lignin-based polymer (Arboblend V2 Nature) coated with three distinct micro-ceramic powders: two based on chrome oxide - Cr2O3, Cr2O3 -xSiO2 -yTiO2 (commercial name Amdry 6420 and Metco 136F) and one based on zirconium oxide - ZrO2 18TiO2 10Y2O3 (commercially known as Metco 143). The samples to be covered were obtained by injection in the mold and the coating technique used was a thermal – APS (Atmospheric Plasma Spray). After thermal analysis, all three coated samples reviled thermal stability up to 230°C, the degradation of the lignin matrix taking place around 345°C. Thus, based on this important data the recommendation to be used in practical applications can be made. So, the Arbobelnd V2 Nature bio-polymer coated with ceramic micro-particles works in normal working parameters for temperatures not exceeding 200°C. The paper also highlights in the beginning part the systemic analysis of the coating process in order to underline the factors that significantly influence the output parameters as: structure, morphology, mechanical, tribological, and thermal behavior.
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来源期刊
International Journal of Modern Manufacturing Technologies
International Journal of Modern Manufacturing Technologies Engineering-Industrial and Manufacturing Engineering
CiteScore
0.70
自引率
0.00%
发文量
15
期刊介绍: The main topics of the journal are: Micro & Nano Technologies; Rapid Prototyping Technologies; High Speed Manufacturing Processes; Ecological Technologies in Machine Manufacturing; Manufacturing and Automation; Flexible Manufacturing; New Manufacturing Processes; Design, Control and Exploitation; Assembly and Disassembly; Cold Forming Technologies; Optimization of Experimental Research and Manufacturing Processes; Maintenance, Reliability, Life Cycle Time and Cost; CAD/CAM/CAE/CAX Integrated Systems; Composite Materials Technologies; Non-conventional Technologies; Concurrent Engineering; Virtual Manufacturing; Innovation, Creativity and Industrial Development.
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