THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019最新文献

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C8 microcrystals synthesized by anthracene carbonization 蒽炭化法合成C8微晶
N. S. Sukhinina, A. Zhokhov, V. Masalov, I. Khodos, G. Emelchenko
{"title":"C8 microcrystals synthesized by anthracene carbonization","authors":"N. S. Sukhinina, A. Zhokhov, V. Masalov, I. Khodos, G. Emelchenko","doi":"10.1063/1.5140296","DOIUrl":"https://doi.org/10.1063/1.5140296","url":null,"abstract":"In this work, we synthesized C8 cubic carbon microcrystals by carbonization of anthracene. Gas products of carbonization were trapped at the outlet of the pipe in distilled water. By the methods of SEM, HRTEM and electron diffraction the morphology and structure of the obtained nanocrystals were studied. It is shown that carbonization of anthracene vapors leads to the formation of plate-like C8 crystals of up to 0.5 microns in size. The unit cell parameter within the bcc lattice is a = 4.08 (0.02) A.In this work, we synthesized C8 cubic carbon microcrystals by carbonization of anthracene. Gas products of carbonization were trapped at the outlet of the pipe in distilled water. By the methods of SEM, HRTEM and electron diffraction the morphology and structure of the obtained nanocrystals were studied. It is shown that carbonization of anthracene vapors leads to the formation of plate-like C8 crystals of up to 0.5 microns in size. The unit cell parameter within the bcc lattice is a = 4.08 (0.02) A.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115718687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preface: The 9th International Conference on Structural Analysis of Advanced Materials (ICSAAM 2019) 前言:第九届先进材料结构分析国际会议(ICSAAM 2019)
D’AmoreAlberto
{"title":"Preface: The 9th International Conference on Structural Analysis of Advanced Materials (ICSAAM 2019)","authors":"D’AmoreAlberto","doi":"10.1063/1.5140273","DOIUrl":"https://doi.org/10.1063/1.5140273","url":null,"abstract":"","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124258390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Innovative preparation processes and structural characteristics of 3D printable polymer-based nanocomposites 可3D打印聚合物基纳米复合材料的创新制备工艺和结构特征
S. Politi, E. Tamburri, Rocco Carcione, T. Lavecchia, Mariglen Angjellari, M. Terranova
{"title":"Innovative preparation processes and structural characteristics of 3D printable polymer-based nanocomposites","authors":"S. Politi, E. Tamburri, Rocco Carcione, T. Lavecchia, Mariglen Angjellari, M. Terranova","doi":"10.1063/1.5140293","DOIUrl":"https://doi.org/10.1063/1.5140293","url":null,"abstract":"This work details the synthesis and characterizations of PVA-graphene platelets and PANI-nanodiamonds nanocomposites as suitable materials to be used as inks for additive manufacturing processes by 3D methodology. The PVA-based nanocomposites are generated by an optimized synthetic route, in which the chemical crosslinking of PVA with maleic anhydride is realized in the presence of dispersed graphene platelets. The PANI-based nanocomposites are obtained starting from aniline monomer by an “in situ” polymerization process carried out in a dispersion of purified nanodiamonds. The 3D layer-by-layer printing of polymer-based nanocomposites colloidal dispersion allows to produce well-shaped solid objects that are promising as scaffolds for biomedical applications.This work details the synthesis and characterizations of PVA-graphene platelets and PANI-nanodiamonds nanocomposites as suitable materials to be used as inks for additive manufacturing processes by 3D methodology. The PVA-based nanocomposites are generated by an optimized synthetic route, in which the chemical crosslinking of PVA with maleic anhydride is realized in the presence of dispersed graphene platelets. The PANI-based nanocomposites are obtained starting from aniline monomer by an “in situ” polymerization process carried out in a dispersion of purified nanodiamonds. The 3D layer-by-layer printing of polymer-based nanocomposites colloidal dispersion allows to produce well-shaped solid objects that are promising as scaffolds for biomedical applications.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127278000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Processing of PEEK/PEI blends for high performance composites in aerospace 航空航天高性能复合材料PEEK/PEI共混物的加工
M. Iannone, A. D’Amore
{"title":"Processing of PEEK/PEI blends for high performance composites in aerospace","authors":"M. Iannone, A. D’Amore","doi":"10.1063/1.5140292","DOIUrl":"https://doi.org/10.1063/1.5140292","url":null,"abstract":"A new approach has been considered for aeronautical composite structures with thermoplastic matrix. The new concept is based on the addition of amorphous PEI films to a semicrystalline thermoplastic PEEK/Carbon Fiber prepreg. The performed chemical-physical analysis demonstrates the good blending between the two resins. The new approach, being presently developed in a project funded by EU, could allow to perform structural parts with affordable costs through the utilization of automated lay-up (ATL and/or AFP) techniques, with a strong cost saving due to the elimination of the autoclave cycle.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131128835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Propagation of Lamb waves generated by the angle beam wedge actuator in the plastic panel 角梁楔致动器产生的兰姆波在塑料板中的传播
S. Shevtsov, V. Chebanenko, E. Rozhkov, E. Kirillova, M. Shevtsova, Shun-Hsiung Chang
{"title":"Propagation of Lamb waves generated by the angle beam wedge actuator in the plastic panel","authors":"S. Shevtsov, V. Chebanenko, E. Rozhkov, E. Kirillova, M. Shevtsova, Shun-Hsiung Chang","doi":"10.1063/1.5140302","DOIUrl":"https://doi.org/10.1063/1.5140302","url":null,"abstract":"This study presents some results of the experimental and numerical investigations on the generation of Lamb waves using a piezoelectric angle beam actuator with wedge. The experiments were carried out on isotropic plastic panel. Experimental study was performed using the Olympus V414-SB angle beam transducer. For the numerical part of the current research, the finite element models were developed and analyzed. A preliminary calculated dispersion curves for studied material allowed to identify the types of waves generated in the plate under consideration. The complex dependencies of the generated wave’s directivity on the excitation frequency were established. The obtained results allow the purposeful use of angle beam transducers, providing a large scanning index.This study presents some results of the experimental and numerical investigations on the generation of Lamb waves using a piezoelectric angle beam actuator with wedge. The experiments were carried out on isotropic plastic panel. Experimental study was performed using the Olympus V414-SB angle beam transducer. For the numerical part of the current research, the finite element models were developed and analyzed. A preliminary calculated dispersion curves for studied material allowed to identify the types of waves generated in the plate under consideration. The complex dependencies of the generated wave’s directivity on the excitation frequency were established. The obtained results allow the purposeful use of angle beam transducers, providing a large scanning index.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127920073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of a phenomenological model for fatigue of composite materials 复合材料疲劳的现象学模型分析
A. Califano, A. D’Amore
{"title":"Analysis of a phenomenological model for fatigue of composite materials","authors":"A. Califano, A. D’Amore","doi":"10.1063/1.5140317","DOIUrl":"https://doi.org/10.1063/1.5140317","url":null,"abstract":"This paper provides a literature review of one of the most notable models relevant for modelling the fatigue behavior of composite materials. The review first introduced the importance of modelling fatigue in respect of the residual strength degradation of the studied materials, before classifying fatigue models between two categories: the phenomenological models and the mechanistic ones. Among the fatigue modelling approaches, one of them belonging to the category of the “residual strength models” is considered and deepened. In particular, it is analyzed from its genesis to the latest outcomes, passing through the different goals gained during the years.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126503966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Antiproliferative activity of the CGA-containing SiO2/PEG hybrids synthesized by sol-gel method 溶胶-凝胶法合成含cga的SiO2/PEG杂化物的抗增殖活性
E. Tranquillo, I. Blanco, M. Catauro, Alessia Salzillo, L. Capasso, M. Illiano, Luigi Sapio, S. Naviglio
{"title":"Antiproliferative activity of the CGA-containing SiO2/PEG hybrids synthesized by sol-gel method","authors":"E. Tranquillo, I. Blanco, M. Catauro, Alessia Salzillo, L. Capasso, M. Illiano, Luigi Sapio, S. Naviglio","doi":"10.1063/1.5140282","DOIUrl":"https://doi.org/10.1063/1.5140282","url":null,"abstract":"The delivery systems are able to maintain the drug concentration over time and increases duration of therapeutic activity of the active compound compared to the typical method of the administration of the drugs. Using the sol-gel method, it is possible to synthesized biomaterial implants as drug delivery systems. In this work, hybrid materials containing silica as inorganic matrix, with 6wt% of polyethylene glycol (PEG) and Chlorogenic acid (CGA) (5 and 10 wt %) were synthesized by sol-gel method. The biocompatibility, antibacterial properties and antiproliferative properties on different cells line were evaluated according to the CGA amount in the hybrids.The delivery systems are able to maintain the drug concentration over time and increases duration of therapeutic activity of the active compound compared to the typical method of the administration of the drugs. Using the sol-gel method, it is possible to synthesized biomaterial implants as drug delivery systems. In this work, hybrid materials containing silica as inorganic matrix, with 6wt% of polyethylene glycol (PEG) and Chlorogenic acid (CGA) (5 and 10 wt %) were synthesized by sol-gel method. The biocompatibility, antibacterial properties and antiproliferative properties on different cells line were evaluated according to the CGA amount in the hybrids.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120976604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comfort and fatigue performance of a Soya-derived flexible PU foam for mattresses 舒适和疲劳性能的大豆衍生柔性聚氨酯泡沫床垫
L. D'arienzo, L. Incarnato, S. Rinaldi, P. Scarfato
{"title":"Comfort and fatigue performance of a Soya-derived flexible PU foam for mattresses","authors":"L. D'arienzo, L. Incarnato, S. Rinaldi, P. Scarfato","doi":"10.1063/1.5140301","DOIUrl":"https://doi.org/10.1063/1.5140301","url":null,"abstract":"In this work, a sustainable soy-derived PU flexible foam for mattresses has been characterized in terms of structural, thermal and mechanical properties, and submitted to cyclic fatigue tests, in order to investigate its cyclic fatigue performance. The bio-foam, tested before and after 120000 cycles fatigue loading, shows both a thickness loss and significant changes in morphology, with a structural breakdown of the cell walls, and in the mechanical parameters related to comfort (i.e. hysteresis loss, surface firmness and sag factor), but it maintains substantial resistance to bottoming out as the load is applied.In this work, a sustainable soy-derived PU flexible foam for mattresses has been characterized in terms of structural, thermal and mechanical properties, and submitted to cyclic fatigue tests, in order to investigate its cyclic fatigue performance. The bio-foam, tested before and after 120000 cycles fatigue loading, shows both a thickness loss and significant changes in morphology, with a structural breakdown of the cell walls, and in the mechanical parameters related to comfort (i.e. hysteresis loss, surface firmness and sag factor), but it maintains substantial resistance to bottoming out as the load is applied.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126380613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Resistive torque of roller bearings and dissipative mechanisms; a multi-scale numerical approach 滚子轴承的阻转矩与耗散机构一种多尺度数值方法
P.-E. Lavelatte, O. Dalverny, J. Paris, G. Le Jeune
{"title":"Resistive torque of roller bearings and dissipative mechanisms; a multi-scale numerical approach","authors":"P.-E. Lavelatte, O. Dalverny, J. Paris, G. Le Jeune","doi":"10.1063/1.5140288","DOIUrl":"https://doi.org/10.1063/1.5140288","url":null,"abstract":"This article deals with a research study on the behavior of spherical roller bearings (SRB) under radial load and low angular velocity. The resistive torque is analyzed and further investigations are conducted to understand the dissipative mechanisms (friction and plastic deformations) suspected of causing these losses. The issue is tackled combining both experimental torque measurements and a multi-scale numerical simulation of the system. Finally, we discuss and confront experimental and numerical results to sketch out a dissipation scheme for the load range investigated.This article deals with a research study on the behavior of spherical roller bearings (SRB) under radial load and low angular velocity. The resistive torque is analyzed and further investigations are conducted to understand the dissipative mechanisms (friction and plastic deformations) suspected of causing these losses. The issue is tackled combining both experimental torque measurements and a multi-scale numerical simulation of the system. Finally, we discuss and confront experimental and numerical results to sketch out a dissipation scheme for the load range investigated.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125042476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Artifact test design for improving the performance of the SLM process 用于改进SLM过程性能的工件测试设计
Z. Faraj, S. Zaki, M. Aboussaleh
{"title":"Artifact test design for improving the performance of the SLM process","authors":"Z. Faraj, S. Zaki, M. Aboussaleh","doi":"10.1063/1.5140278","DOIUrl":"https://doi.org/10.1063/1.5140278","url":null,"abstract":"The work contained in this document consists in optimizing and improving the selective laser melting manufacturing process, this technology which, despite having been studied for more than twenty years, remains not completely controlled, because it sometimes happens that the parts obtained contain defects that qualify them as non-compliant or even machine stops in the middle of manufacturing. These problems are usually due to a design that is not adapted to the process. This work seeks to minimize these stops, to do this, test trays have been printed to evaluate the machine’s performance and study the feasibility of the parts produced by selective laser melting.The work contained in this document consists in optimizing and improving the selective laser melting manufacturing process, this technology which, despite having been studied for more than twenty years, remains not completely controlled, because it sometimes happens that the parts obtained contain defects that qualify them as non-compliant or even machine stops in the middle of manufacturing. These problems are usually due to a design that is not adapted to the process. This work seeks to minimize these stops, to do this, test trays have been printed to evaluate the machine’s performance and study the feasibility of the parts produced by selective laser melting.","PeriodicalId":130539,"journal":{"name":"THE 9TH INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS - ICSAAM 2019","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129746588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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