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Laboratories at work: Tribotechnology for mining applications at the technical university of Silesia 工作中的实验室:西里西亚技术大学的采矿应用摩擦技术
Tribotest Pub Date : 1998-09-01 DOI: 10.1002/TT.3020050107
S. Scieszka
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引用次数: 0
Open‐gear lubrication: Meeting industrial requirements using laboratory techniques 开式齿轮润滑:使用实验室技术满足工业要求
Tribotest Pub Date : 1998-09-01 DOI: 10.1002/TT.3020050108
P. D. Vaal
{"title":"Open‐gear lubrication: Meeting industrial requirements using laboratory techniques","authors":"P. D. Vaal","doi":"10.1002/TT.3020050108","DOIUrl":"https://doi.org/10.1002/TT.3020050108","url":null,"abstract":"This paper gives a general overview of open-gear lubricants. In order to evaluate contending lubricants, laboratory tests are often used as a preliminary screening. When care is taken to perform laboratory tests under conditions which represent the actual operating conditions, simple laboratory tests can be conducted to evaluate products before a product is selected for use in trial runs on actual equipment. In planning laboratory tests, the industrial requirements need to be clearly defined, from the perspective of the supplier, as well as that of the user. Factors such as environmental acceptance, toxicity, and ease of disposal of spent lubricant play as important a role in the formulation of new products as do requirements related to performance, like pumpability, sprayability, adhesiveness, load-carrying ability, and wear protection capability.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1998-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86100958","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
A method of measuring ‘zero‐wear’ of the cylinder liner 一种测量气缸套“零磨损”的方法
Tribotest Pub Date : 1998-09-01 DOI: 10.1002/TT.3020050106
P. Pawlus
{"title":"A method of measuring ‘zero‐wear’ of the cylinder liner","authors":"P. Pawlus","doi":"10.1002/TT.3020050106","DOIUrl":"https://doi.org/10.1002/TT.3020050106","url":null,"abstract":"In this paper, new methods of linear wear estimation of the cylinder liner are proposed. They can be used if the deepest honed valleys remain unaltered during the wear process. In the first part of the paper, the possibility of using various amplitude parameters as measures of wear is studied. The second part presents a new procedure for cylinder liner wear analysis based on the ‘fax-film’ method that allows us to estimate the wear of the cylinder liner without disassembly of the cylinder-piston-piston ring group.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1998-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85368581","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: 6
Thermomechanical wear modelling 热机械磨损模型
Tribotest Pub Date : 1994-12-01 DOI: 10.1002/TT.3020010202
R. Cowan, W. 0. Winer
{"title":"Thermomechanical wear modelling","authors":"R. Cowan, W. 0. Winer","doi":"10.1002/TT.3020010202","DOIUrl":"https://doi.org/10.1002/TT.3020010202","url":null,"abstract":"It is assumed that the contact between bodies in sliding motion produces a stress field and frictional heat source that may induce severe wear from material yielding or fracture. For this situation, a thermomechanical wear model is used to develop a wear transition equation for identifying the dominant factors that will reduce or control such wear, by employing thermoelasticity analyses and contact mechanics. This equation is used to construct wear maps for ease of analysis. Studies are used to substantiate the thermomechanical wear model with experimental results that emphasise the transition from mild to severe wear for dry and lubricated metallic and ceramic sliding contacts under load.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78539823","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: 6
Laser particle sizing of diesel soots in two formulated oils after different engine tests 在不同发动机试验后，两种配方油中柴油烟灰的激光粒度测定
Tribotest Pub Date : 1994-12-01 DOI: 10.1002/TT.3020010203
B. Constans, P. Bezot
{"title":"Laser particle sizing of diesel soots in two formulated oils after different engine tests","authors":"B. Constans, P. Bezot","doi":"10.1002/TT.3020010203","DOIUrl":"https://doi.org/10.1002/TT.3020010203","url":null,"abstract":"Soots of four types were extracted from two different formulated diesel oils, namely oil ‘A’, a 15W40, and oil ‘B’, a 20W40, after engine (50 h) and tribological (20 h + 20 h) tests. The soots were dispersed into four different model solvents and base oils, and analysed by Photon Correlation Technique. \u0000 \u0000 \u0000 \u0000In a first study, soot particle size measurements were conducted after dilution in n-heptane, Kerdane solvent, 60N and 130N base oils. The influences of engine running-time and solvent nature have been particularly considered. The second study has been devoted to the aggregation kinetic of soots in these solvents. \u0000 \u0000 \u0000 \u0000These data are important for a better understanding of soot dispersion stability and the rheology of used oils in diesel engines.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88944541","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
Development of the PSA TU‐3 test for valve train scuffing wear 气门机构磨损PSA TU - 3测试的开发
Tribotest Pub Date : 1994-12-01 DOI: 10.1002/TT.3020010205
C. Bovington, H. Arnould, J. Macé, R. Bregent, R. Durrant
{"title":"Development of the PSA TU‐3 test for valve train scuffing wear","authors":"C. Bovington, H. Arnould, J. Macé, R. Bregent, R. Durrant","doi":"10.1002/TT.3020010205","DOIUrl":"https://doi.org/10.1002/TT.3020010205","url":null,"abstract":"The development of the valve train scuffing wear test by the CEC PL-35 group is described. This test is run on the PSA TU-3 engine, comprises a cold/low speed and a hot/high speed phase and is of 100 h duration. Oil performance is evaluated in terms of camshaft wear and follower contact pad scuffing merit rating. \u0000 \u0000 \u0000 \u0000Studies undertaken by the group to identify those factors essential to the control of test development are described. The evolution of the test, with the introduction of a single point fuel-injected engine, is detailed and the consequences of this on severity and repeatability and reproducibility are discussed.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82237397","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
Measurement of friction during the metalforming process 金属成形过程中摩擦的测量
Tribotest Pub Date : 1994-12-01 DOI: 10.1002/TT.3020010204
S. L. Wang, J. Ramaekers, M. Smeets
{"title":"Measurement of friction during the metalforming process","authors":"S. L. Wang, J. Ramaekers, M. Smeets","doi":"10.1002/TT.3020010204","DOIUrl":"https://doi.org/10.1002/TT.3020010204","url":null,"abstract":"With the development of numerical simulation of forming processes, there is an increasing need to develop a more suitable friction description for use in the numerical simulation codes. In this paper, a plane-strain compression tribometer is described which can measure vertical force, friction force, and vertical displacement simultaneously and accurately. Three different friction models are evaluated with the experimental results. A modified friction model is proposed and some directions are given for future research on friction in metalforming processes.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87823371","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
Laboratories at work: Tribology and condition monitoring at the university of wales, Swansea 工作实验室:斯旺西威尔士大学摩擦学和状态监测
Tribotest Pub Date : 1994-12-01 DOI: 10.1002/TT.3020010206
B. Roylance
{"title":"Laboratories at work: Tribology and condition monitoring at the university of wales, Swansea","authors":"B. Roylance","doi":"10.1002/TT.3020010206","DOIUrl":"https://doi.org/10.1002/TT.3020010206","url":null,"abstract":"","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88189352","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
Laboratories at work: Tribology at BAM, Berlin 工作中的实验室:柏林BAM的摩擦学
Tribotest Pub Date : 1994-09-01 DOI: 10.1002/TT.3020010106
É. Santner
{"title":"Laboratories at work: Tribology at BAM, Berlin","authors":"É. Santner","doi":"10.1002/TT.3020010106","DOIUrl":"https://doi.org/10.1002/TT.3020010106","url":null,"abstract":"The tribology laboratories described here are part of the Bundesanstalt fur Materialforschung und -prufung (Federal Institute for Materials Research and Testing), known as ‘BAM’.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87533613","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
Measuring contact pressure distributions under elastohydrodynamic point contacts 测量弹性流体动力点接触下的接触压力分布
Tribotest Pub Date : 1994-09-01 DOI: 10.1002/TT.3020010103
P. Johns-Rahnejat, R. Gohar
{"title":"Measuring contact pressure distributions under elastohydrodynamic point contacts","authors":"P. Johns-Rahnejat, R. Gohar","doi":"10.1002/TT.3020010103","DOIUrl":"https://doi.org/10.1002/TT.3020010103","url":null,"abstract":"Circular point contact EHD pressure distributions were investigated under various operating conditions using a thin film piezo-resistive pressure transducer. A series of controlled experiments, in which the active element of the transducer is positioned at various contact cross-sections, was carried out. The results are analysed and presented in the form of isobars. The pressure distribution closely describes the Hertzian pressure profile with a secondary pressure peak appearing prior to and near the exit constriction.","PeriodicalId":23300,"journal":{"name":"Tribotest","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89242539","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
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