Advances in Materials Research-An International Journal最新文献_第6页

Statistical characterisation of end milling of AISI 52100 annealed bearing steel AISI 52100退火轴承钢的立铣削统计特性

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2018-01-01 DOI: 10.12989/AMR.2018.7.2.137

M. Benghersallah, S. Benchiheub, A. Amirat

引用次数: 1

Microstructures and hardness of model niobium-based chromium-rich cast alloys 模型铌基富铬铸造合金的显微组织和硬度

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2018-01-01 DOI: 10.12989/AMR.2018.7.1.017

P. Berthod, Melissa Ritouet-Leglise

{"title":"Microstructures and hardness of model niobium-based chromium-rich cast alloys","authors":"P. Berthod, Melissa Ritouet-Leglise","doi":"10.12989/AMR.2018.7.1.017","DOIUrl":"https://doi.org/10.12989/AMR.2018.7.1.017","url":null,"abstract":"Niobium is a candidate base for new alloys devoted to applications at especially elevated temperatures. Elaborating and shaping niobium-based alloys by conventional foundry may lead to mechanically interesting microstructures. In this work a series of charges constituted of pure elements were subjected to high frequency induction melting in cold crucible to try obtaining cast highly refractory Nb-xCr and Nb-xCr-0.4 wt.%C alloys (x=27, 34 and 37 wt.%). Melting and solidification were successfully achieved. The as-cast microstructures of the obtained alloys were characterized by electron microscopy and X-ray diffraction and their hardness were specified by Vickers macro-indentation. The obtained as-cast microstructures are composed of a body centered cubic (bcc) niobium dendritic matrix and of an interdendritic eutectic compound involving the bcc Nb phase and a NbCr2 Laves phase. The obtained alloys are hard to cut and particularly brittle at room temperature. Hardness is of a high level (higher than 600Hv) and is directly driven by the chromium content or the amount of {bcc Nb – NbCr2} eutectic compound. Adding 0.4 wt.% of carbon did not lead to carbides but tends to increase hardness.","PeriodicalId":46242,"journal":{"name":"Advances in Materials Research-An International Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66388867","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

Fabrication and characterization of perovskite CH 3 NH 3 Pb 1-x Sb x I 3-3x Br 3x photovoltaic devices 钙钛矿ch3nh3pb1 -x Sb - I -3 -3x Br 3x光伏器件的制备与表征

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2018-01-01 DOI: 10.12989/AMR.2018.7.1.073

J. Yamanouchi, T. Oku, Y. Ohishi, M. Fukaya, N. Ueoka, Hiroki Tanaka, A. Suzuki

引用次数: 0

A high-order closed-form solution for interfacial stresses in externally sandwich FGM plated RC beams 外夹层FGM镀RC梁界面应力的高阶闭式解

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2017-12-01 DOI: 10.12989/AMR.2017.6.4.317

A. Chedad, T. H. Daouadji, Rabahi Abderezak, Adim Belkacem, B. Abbès, Benferhat Rabia, F. Abbès

{"title":"A high-order closed-form solution for interfacial stresses in externally sandwich FGM plated RC beams","authors":"A. Chedad, T. H. Daouadji, Rabahi Abderezak, Adim Belkacem, B. Abbès, Benferhat Rabia, F. Abbès","doi":"10.12989/AMR.2017.6.4.317","DOIUrl":"https://doi.org/10.12989/AMR.2017.6.4.317","url":null,"abstract":"In this paper, an improved theoretical solution for interfacial stress analysis is presented for simply supported concrete beam bonded with a sandwich FGM plate. Interfacial stress analysis is presented for simply supported concrete beam bonded with a sandwich plate. This improved solution is intended for application to beams made of all kinds of materials bonded with a thin plate, while all existing solutions have been developed focusing on the strengthening of reinforced concrete beams, which allowed the omission of certain terms. It is shown that both the normal and shear stresses at the interface are influenced by the material and geometry parameters of the composite beam. A numerical parametric study was performed for different simulated cases to assess the effect of several parameters. Numerical comparisons between the existing solutions and the present new solution enable a clear appreciation of the effects of various parameters. The results of this study indicated that the FGM sandwich panel strengthening systems are effective in enhancing flexural behavior of the strengthened RC beams.","PeriodicalId":46242,"journal":{"name":"Advances in Materials Research-An International Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49024077","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: 19

Nonlinear thermal buckling behaviour of laminated composite panel structure including the stretching effect and higher-order finite element 复合材料层合板结构的非线性热屈曲行为，包括拉伸效应和高阶有限元

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2017-12-01 DOI: 10.12989/AMR.2017.6.4.349

Pankaj V. Katariya, S. Panda, T. R. Mahapatra

引用次数: 9

Thermo-mechanical vibration analysis of functionally graded micro/nanoscale beams with porosities based on modified couple stress theory 基于修正耦合应力理论的含孔隙率功能梯度微/纳米梁的热机械振动分析

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2017-09-01 DOI: 10.12989/AMR.2017.6.3.279

F. Ebrahimi, F. Mahmoodi, M. Barati

{"title":"Thermo-mechanical vibration analysis of functionally graded micro/nanoscale beams with porosities based on modified couple stress theory","authors":"F. Ebrahimi, F. Mahmoodi, M. Barati","doi":"10.12989/AMR.2017.6.3.279","DOIUrl":"https://doi.org/10.12989/AMR.2017.6.3.279","url":null,"abstract":"Thermo-mechanical vibration characteristics of in homogeneousporous functionally graded (FG) micro/nanobeam subjected to various types of thermal loadings are investigated in the present paper based on modified couple stress theory with consideration of the exact position of neutral axis. The FG micro/nanobeam is modeled via a refined hyperbolic beam theory in which shear deformation effect is verified needless of shear correction factor. A modified power-law distribution which contains porosity volume fraction is used to describe the graded material properties of FG micro/nanobeam. Temperature field has uniform, linear and nonlinear distributions across the thickness. The governing equations and the related boundary conditions are derived by Extended Hamilton's principle and they are solved applying an analytical solution which satisfies various boundary conditions. A comparison study is performed to verify the present formulation with the known data in the literature and a good agreement is observed. The parametric study covered in this paper includes several parameters such as thermal loadings, porosity volume fraction, power-law exponents, slenderness ratio, scale parameter and various boundary conditions on natural frequencies of porous FG micro/nanobeams in detail.","PeriodicalId":46242,"journal":{"name":"Advances in Materials Research-An International Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47726212","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: 9

Platinum nanocomposites and its applications: A review 铂纳米复合材料及其应用综述

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2017-06-01 DOI: 10.12989/AMR.2017.6.2.129

M. Sharon, Isaac Nandgavkar, M. Sharon

引用次数: 6

Design and analysis of low velocity impact on thermoplastic hat section with curvilinear profile 曲线型热塑性帽截面低速冲击的设计与分析

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2017-03-25 DOI: 10.12989/AMR.2017.6.1.065

K. K. Gaur, M. Dwivedi, N. Bhatnagar

{"title":"Design and analysis of low velocity impact on thermoplastic hat section with curvilinear profile","authors":"K. K. Gaur, M. Dwivedi, N. Bhatnagar","doi":"10.12989/AMR.2017.6.1.065","DOIUrl":"https://doi.org/10.12989/AMR.2017.6.1.065","url":null,"abstract":"A hat section was designed and developed for maximum impact energy absorption and/or transmission under low velocity impact. Towards this, different hat sections, having material properties of thermoplastic, were modeled and investigated numerically using finite element analysis (FEA) in the range of 20-50 J impact energy. In the study it was experienced that the design configuration of hat section with curvilinear profile (HSCP) was excellent in energy attenuation capacity and for even distribution of maximum impact force around and along the hat section under low velocity impact loading. To validate the numerical findings, polypropylene copolymer (Co-PP) HSCP and low density polyethylene (LDPE) HSCP were developed and evaluated experimentally in the said impact energy range. A correlation was established between FEA and experimental test results, thereby, validating a numerical model to predict results for other thermoplastic materials under given range of impact energy. The LDPE HSCP exhibited better performance as compared to Co-PP HSCP in the said range of impact energy. The findings of this study will enable the engineers and technologists to design and develop low velocity impact resistance devices for various applications including devices to protect bone joints.","PeriodicalId":46242,"journal":{"name":"Advances in Materials Research-An International Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2017-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45270262","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

Static deflection and dynamic behavior of higher-order hyperbolic shear deformable compositionally graded beams 高阶双曲剪切变形组合梯度梁的静挠度和动力特性

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2017-03-25 DOI: 10.12989/AMR.2017.6.1.013

Ismail Bensaid, A. Cheikh, A. Mangouchi, B. Kerboua

引用次数: 10

Ultraviolet-ozone irradiation of HPMC thin films: Structural and thermal properties 紫外臭氧辐照下HPMC薄膜的结构和热性能

IF 2.2

Advances in Materials Research-An International Journal Pub Date : 2017-03-25 DOI: 10.12989/AMR.2017.6.1.001

N. Abdel-Zaher, Manal T. H. Moselhey, O. W. Guirguis

{"title":"Ultraviolet-ozone irradiation of HPMC thin films: Structural and thermal properties","authors":"N. Abdel-Zaher, Manal T. H. Moselhey, O. W. Guirguis","doi":"10.12989/AMR.2017.6.1.001","DOIUrl":"https://doi.org/10.12989/AMR.2017.6.1.001","url":null,"abstract":"The aim of the work was to evaluate the effect of ultraviolet-ozone (UV-O3) irradiation with different times on the structure and thermal properties of hydroxypropyl methylcellulose (HPMC) in the form of a thin film to be used as bioequivalent materials according to their important broad practical and medical applications. HPMC thin films were exposed to UV-O3 radiation in air at a wavelength of 184.9 nm.The beneficial effects of this treatment on the crystallinity and amorphousity regions were followed by X-ray diffraction technique and FTIR spectroscopy. Differential scanning calorimetry, thermogravimetric and differntial thermal analyses were used in order to study the thermal properties of HPMC samples following the process of photodegradation. The obtained results indicated that the rate of degradation process was increased with increasing the exposure time. Variations in shape and area of the thermal peaks were observed which may be attributed to the different degrees of crystallinity after exposing the treated HPMC samples. This meant a change in the amorphousity of the treated samples, the oxidation of its chemical linkages on its surface and its bulk, and the formation of free radical species as well as bond formation.","PeriodicalId":46242,"journal":{"name":"Advances in Materials Research-An International Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2017-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41506841","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: 3