目的采用文献计量学方法分析聚甲基丙烯酸甲酯(PMMA)骨水泥相关研究的发文量、发文国家、研究机构、发文期刊、作者和关键词,探究PMMA骨水泥的研究现状及研究热点。方法以Web of Science核心合集数据库为数据来源,基于CiteSpace软件和...目的采用文献计量学方法分析聚甲基丙烯酸甲酯(PMMA)骨水泥相关研究的发文量、发文国家、研究机构、发文期刊、作者和关键词,探究PMMA骨水泥的研究现状及研究热点。方法以Web of Science核心合集数据库为数据来源,基于CiteSpace软件和文献计量学在线分析平台对纳入的文献数据进行处理和可视化分析。结果共纳入1951篇文献,美国是发文量(444篇)和中心性(0.43)均位居第一的国家。发文量排名前3位的研究机构是瑞士伯尔尼大学(39篇)、瑞士AO基金会(34篇)、中国台湾长庚纪念医院(34篇)和中国苏州大学(33篇)。关键词突现分析中突现程度最高的关键词是全髋关节置换术(突现强度为15.28)。结论PMMA骨水泥研究主要集中于骨水泥临床使用适应证和材料性能改性研究,我国在该领域研究形成了科研能力较强的研究团队,但还需注重研究的深度和广度,加强国际合作。展开更多
The primary objective of global studies is to develop the properties and durability of polymers for various applications.When it comes to dental disability,denture base materials must have sufficient mechanical and tr...The primary objective of global studies is to develop the properties and durability of polymers for various applications.When it comes to dental disability,denture base materials must have sufficient mechanical and tribological performance in order to withstand the forces experienced in the mouth.This work aims to investigate the effects of the addition of low content of cellulose nanocrystals(CNC)on the mechanical and tribological performance of the polymethyl methacrylate(PMMA)nanocomposites.Different weight percent of CNC(0,0.2,0.4,0.6,and 0.8 wt%)were added to the PMMA matrix followed by ball milling to evenly distribute the nanoparticles reinforced phase in the matrix phase.The findings emphasize the significant impact of CNC integration on the performance of PMMA nanocomposites.By increasing the content of the CNC nanoparticles,the mechanical properties of PMMA were improved.In addition,the tribological outcomes demonstrated a significant reduction in the friction coefficient besides an enhancement in the wear resistance as the weight percentage of nanoparticles increased.The surface of the worn samples was investigated by utilizing SEM to identify the wear mechanisms corresponding to the different compositions.In addition,a finite elment model(FEM)was developed to ascertain the thickness of the worn layer and the generated stressed on the surfaces of the nanocomposite throughout the friction process.展开更多
文摘目的采用文献计量学方法分析聚甲基丙烯酸甲酯(PMMA)骨水泥相关研究的发文量、发文国家、研究机构、发文期刊、作者和关键词,探究PMMA骨水泥的研究现状及研究热点。方法以Web of Science核心合集数据库为数据来源,基于CiteSpace软件和文献计量学在线分析平台对纳入的文献数据进行处理和可视化分析。结果共纳入1951篇文献,美国是发文量(444篇)和中心性(0.43)均位居第一的国家。发文量排名前3位的研究机构是瑞士伯尔尼大学(39篇)、瑞士AO基金会(34篇)、中国台湾长庚纪念医院(34篇)和中国苏州大学(33篇)。关键词突现分析中突现程度最高的关键词是全髋关节置换术(突现强度为15.28)。结论PMMA骨水泥研究主要集中于骨水泥临床使用适应证和材料性能改性研究,我国在该领域研究形成了科研能力较强的研究团队,但还需注重研究的深度和广度,加强国际合作。
基金the King Salman Center for Disability Research for funding this work through Research Group(No.KSRG-2023-538).
文摘The primary objective of global studies is to develop the properties and durability of polymers for various applications.When it comes to dental disability,denture base materials must have sufficient mechanical and tribological performance in order to withstand the forces experienced in the mouth.This work aims to investigate the effects of the addition of low content of cellulose nanocrystals(CNC)on the mechanical and tribological performance of the polymethyl methacrylate(PMMA)nanocomposites.Different weight percent of CNC(0,0.2,0.4,0.6,and 0.8 wt%)were added to the PMMA matrix followed by ball milling to evenly distribute the nanoparticles reinforced phase in the matrix phase.The findings emphasize the significant impact of CNC integration on the performance of PMMA nanocomposites.By increasing the content of the CNC nanoparticles,the mechanical properties of PMMA were improved.In addition,the tribological outcomes demonstrated a significant reduction in the friction coefficient besides an enhancement in the wear resistance as the weight percentage of nanoparticles increased.The surface of the worn samples was investigated by utilizing SEM to identify the wear mechanisms corresponding to the different compositions.In addition,a finite elment model(FEM)was developed to ascertain the thickness of the worn layer and the generated stressed on the surfaces of the nanocomposite throughout the friction process.
