发布求助
文献互助 智能选刊 最新文献

Procedia Materials Science最新文献

筛选
英文 中文
Concept of Damage Monitoring after Grinding for Components of Variable Hardness 变硬度部件磨削后损伤监测的概念
Procedia Materials Science Pub Date : 2016-01-01 DOI: 10.1016/j.mspro.2016.03.011
A. Mičietová , J. Pištora , Z. Durstová , M. Neslušan
{"title":"Concept of Damage Monitoring after Grinding for Components of Variable Hardness","authors":"A. Mičietová ,&nbsp;J. Pištora ,&nbsp;Z. Durstová ,&nbsp;M. Neslušan","doi":"10.1016/j.mspro.2016.03.011","DOIUrl":"10.1016/j.mspro.2016.03.011","url":null,"abstract":"<div><p>This paper deals with nondestructive magnetic evaluation of ground surfaces of chosen material hardness. The properties of prepared surfaces are studied with respect to the progressively worn grinding wheel. The nondestructive testing is based on the Barkhausen noise (BN) technique and obtained BN signals are supplemented by metallographic observations. The results show that the nature of thermal injury of the surfaces prepared by strongly worn grinding wheel significantly depends on the hardness of material. The typical thermal softening induced by grinding cycle is found on the surfaces of hardness 62 HRC whereas samples of lower hardness exhibit rehardening effect associated with the formation of white layer. These material changes are strongly correlated with the BN properties.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"12 ","pages":"Pages 60-65"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2016.03.011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87210736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Nondestructive Magnetic Monitoring of Grinding Damage 磨削损伤的无损磁监测
Procedia Materials Science Pub Date : 2016-01-01 DOI: 10.1016/j.mspro.2016.03.010
M. Čilliková , B. Mičieta , M. Neslušan , D. Blažek
{"title":"Nondestructive Magnetic Monitoring of Grinding Damage","authors":"M. Čilliková ,&nbsp;B. Mičieta ,&nbsp;M. Neslušan ,&nbsp;D. Blažek","doi":"10.1016/j.mspro.2016.03.010","DOIUrl":"10.1016/j.mspro.2016.03.010","url":null,"abstract":"<div><p>This paper deals with investigation of surface damage induced by grinding operation on the rings made of 100Cr6 bearing steel of hardness 62HRC. Progressively developed grinding wheel wear is caused by using the series of identical rings while the surface properties of machined rings like a hardness, residual stresses, microstructure alterations and magnetic Barkhausen noise (BN) emissions are monitored as manifestations of increased thermal damage. The noninvasive observations based on the BN emissions are performed on each ring while more laborious experimental techniques are used on selected rings. The presented results also indicate that properly suggested monitoring system based on BN emissions can reliably detect surface burn induced by thermal damage of ground surface.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"12 ","pages":"Pages 54-59"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2016.03.010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84098814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Determination of Anisotropic Crystal Optical Properties Using Mueller Matrix Spectroscopic Ellipsometry 用米勒矩阵椭圆偏振光谱法测定晶体各向异性光学特性
Procedia Materials Science Pub Date : 2016-01-01 DOI: 10.1016/j.mspro.2016.03.021
K. Postava , R. Sýkora , D. Legut , J. Pištora
{"title":"Determination of Anisotropic Crystal Optical Properties Using Mueller Matrix Spectroscopic Ellipsometry","authors":"K. Postava ,&nbsp;R. Sýkora ,&nbsp;D. Legut ,&nbsp;J. Pištora","doi":"10.1016/j.mspro.2016.03.021","DOIUrl":"10.1016/j.mspro.2016.03.021","url":null,"abstract":"<div><p>In this paper the Mueller matrix ellipsometry in the spectral range from 0.73 to 6.4<!--> <!-->eV measured using dual rotating compensator ellipsometer RC2 (Woollam company) is applied to study anisotropic crystals. First we summarize the effects of optical anisotropy to Mueller matrix spectra. As an example of an uniaxial sample we have characterized a Rutile (TiO<sub>2</sub>) tetragonal crystal. The optical axis of the sample is parallel to its surface. The sample is characterized at variable angle of incidence and variable azimuthal rotation angle. The Mueller matrix spectra are fitted to the model based on Kramers-Kronig consistent Basis spline and obtained optical functions are compared with tabulated data and ab-initio models based on first-principle calculated electronic structure.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"12 ","pages":"Pages 118-123"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2016.03.021","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75476336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Analysis and Modeling of Depolarization Effects in Mueller Matrix Spectroscopic Ellipsometry Data Mueller矩阵光谱椭偏数据去极化效应的分析与建模
Procedia Materials Science Pub Date : 2016-01-01 DOI: 10.1016/j.mspro.2016.03.020
L. Halagačka, K. Postava, J. Pištora
{"title":"Analysis and Modeling of Depolarization Effects in Mueller Matrix Spectroscopic Ellipsometry Data","authors":"L. Halagačka,&nbsp;K. Postava,&nbsp;J. Pištora","doi":"10.1016/j.mspro.2016.03.020","DOIUrl":"10.1016/j.mspro.2016.03.020","url":null,"abstract":"<div><p>In this paper we present importance of depolarization effects modeling to fit spectroscopic Mueller matrix ellipsometry data. The relevant theoretical background based on Mueller matrix formalism is presented. The sample of SiO<sub>2</sub> layer (approx. 1<!--> <!-->μm thick) on silicon substrate is used to demonstrate depolarization effects in obtained experimental data. In the first step the presence of interferences in the layer is used for modeling of depolarization effects caused by finite spectral resolution of the Mueller matrix ellipsometer. In the next step the depolarization caused by focusing of the probe light is analyzed and modeled. Both finite spectral resolution and beam focusing is a common issue in the optical characterization of samples with lateral dimensions smaller than (commonly used) collimated beam. Therefore to fit experimental data with model it is important to assume those depolarization effect into model.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"12 ","pages":"Pages 112-117"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2016.03.020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74025402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Including of Ratio of Fatigue Limits from Bending and Torsion for Estimation Fatigue Life under Cyclic Loading 包括弯曲和扭转疲劳极限的比值，用于估算循环载荷下的疲劳寿命
Procedia Materials Science Pub Date : 2016-01-01 DOI: 10.1016/j.mspro.2016.03.006
Marta Kurek, Tadeusz Łagoda
{"title":"Including of Ratio of Fatigue Limits from Bending and Torsion for Estimation Fatigue Life under Cyclic Loading","authors":"Marta Kurek,&nbsp;Tadeusz Łagoda","doi":"10.1016/j.mspro.2016.03.006","DOIUrl":"10.1016/j.mspro.2016.03.006","url":null,"abstract":"<div><p>The paper presents the estimation of the fatigue life under multiaxial cyclic loading of selected construction materials: two aluminum alloys PA4 (6068) and PA6 (2017A), alloy steel S355JOWP (in past called 10HNAP) and cast iron GGG 40. Calculations were based on three criteria of multiaxial fatigue, which is based on the concept of critical plane and the coefficients present in the expressions for the equivalent stresses are calculated on the basis of classical fatigue limits.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"12 ","pages":"Pages 30-35"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2016.03.006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86276826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Response of Alumina Foam to Tensile Mechanical Loading Including Stress Concentrator Effect 含应力集中效应的泡沫氧化铝拉伸力学载荷响应
Procedia Materials Science Pub Date : 2016-01-01 DOI: 10.1016/j.mspro.2016.03.019
Ivo Dlouhy , Zdenek Chlup , Hynek Hadraba , Lukas Rehorek
{"title":"Response of Alumina Foam to Tensile Mechanical Loading Including Stress Concentrator Effect","authors":"Ivo Dlouhy ,&nbsp;Zdenek Chlup ,&nbsp;Hynek Hadraba ,&nbsp;Lukas Rehorek","doi":"10.1016/j.mspro.2016.03.019","DOIUrl":"10.1016/j.mspro.2016.03.019","url":null,"abstract":"<div><p>Tensile test methodology for ceramic foams has been elaborated and test specimens of different dimensions and those containing central sharp notch (simulating a crack) were tested. Tested material was commercially available alumina based ceramic foam commonly used as filters of light metals melts. The foam cell size used within this study was 60 PPI. The main aim of the investigation has been to prove experimentally whether there is any stress concentration effect in the open cell structures. The fracture load (tensile strength) values were analysed and, in particular, the samples containing central sharp notch and comparable unbroken cross-section were compared with the unflawed samples. Specimens with central through thickness sharp notch have shown demonstrably the strength values comparably lower than the strength level of samples having the same cross-sectional area without stress concentrator. The explanation has been seen in stress concentration effect beneath the internal sharp notch root.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"12 ","pages":"Pages 106-111"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2016.03.019","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78712098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Evaluation of Fatigue Crack Growth in α-Titanium Alloys α-钛合金疲劳裂纹扩展的评价
Procedia Materials Science Pub Date : 2016-01-01 DOI: 10.1016/j.mspro.2016.03.009
Osamu Umezawa , Makiko Hamada , Toshifumi Tatsumi
{"title":"Evaluation of Fatigue Crack Growth in α-Titanium Alloys","authors":"Osamu Umezawa ,&nbsp;Makiko Hamada ,&nbsp;Toshifumi Tatsumi","doi":"10.1016/j.mspro.2016.03.009","DOIUrl":"10.1016/j.mspro.2016.03.009","url":null,"abstract":"<div><p>The fatigue crack growth modeling that based on linear fracture mechanics under the Mode I condition provided a good estimate of the stress intensity range for subsurface crack growth in α or near α-type titanium alloys. Based on the relationship between crack growth rate and stress intensity factor range, the fatigue crack propagating life was evaluated by the Paris rule. The subsurface crack initiation process consumed a large number of cycles to failure. Microstructure may strongly affect on not only subsurface crack initiation but also crack growth. The microstructural modification to prevent microcrack growth should be taken into account.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"12 ","pages":"Pages 48-53"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2016.03.009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87046648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Review on Synthesis and Characterization of Gallium Phosphide 磷化镓的合成及表征研究进展
Procedia Materials Science Pub Date : 2015-11-01 DOI: 10.1016/J.MSPRO.2014.07.150
A. Aparna, V. Brahmajirao, T. Karthikeyan
{"title":"Review on Synthesis and Characterization of Gallium Phosphide","authors":"A. Aparna, V. Brahmajirao, T. Karthikeyan","doi":"10.1016/J.MSPRO.2014.07.150","DOIUrl":"https://doi.org/10.1016/J.MSPRO.2014.07.150","url":null,"abstract":"","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"33 1","pages":"1650-1657"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75868401","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
Charge Difference Calculation in Fe/Fe3O4 Interfaces from DFT Results 基于DFT结果的Fe/Fe3O4界面电荷差计算
Procedia Materials Science Pub Date : 2015-01-01 DOI: 10.1016/j.mspro.2015.05.037
Diego Tozini , Mariano Forti , Pablo Gargano , P.R. Alonso , G.H. Rubiolo
{"title":"Charge Difference Calculation in Fe/Fe3O4 Interfaces from DFT Results","authors":"Diego Tozini ,&nbsp;Mariano Forti ,&nbsp;Pablo Gargano ,&nbsp;P.R. Alonso ,&nbsp;G.H. Rubiolo","doi":"10.1016/j.mspro.2015.05.037","DOIUrl":"10.1016/j.mspro.2015.05.037","url":null,"abstract":"<div><p>In industrial applications, the mechanical stability of surface oxides formed from metal alloys is a key concern in the determination of component susceptibility to different deterioration mechanisms. In particular, the Fe/Fe<sub>3</sub>O<sub>4</sub> system that is treated in this work is of great interest for many applications. A complete description of the chemical bonds between the metal substrate and the surface oxide may provide vital information. Charge density of the metal/oxide interface is obtained from DFT calculations, as well as for the free surfaces involved. A homemade computer program was implemented to calculate charge redistribution between the constituting surfaces and iron / magnetite interfaces. This analysis makes it possible to identify the interaction between surface iron as the key to understand interfacial adhesion. These results correlate to previous adhesion studies.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"9 ","pages":"Pages 612-618"},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2015.05.037","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73835163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Chlorination of RuO2 with gaseous Cl2 between 998 and 1123 K 在998 ~ 1123 K之间用Cl2氯化氧化RuO2
Procedia Materials Science Pub Date : 2015-01-01 DOI: 10.1016/J.MSPRO.2015.04.144
Cristina N. Guibaldo, G. Micco, A. Bohé
{"title":"Chlorination of RuO2 with gaseous Cl2 between 998 and 1123 K","authors":"Cristina N. Guibaldo, G. Micco, A. Bohé","doi":"10.1016/J.MSPRO.2015.04.144","DOIUrl":"https://doi.org/10.1016/J.MSPRO.2015.04.144","url":null,"abstract":"","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"20 1","pages":"841-850"},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74071084","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信