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International Journal of Materials in Engineering Applications最新文献

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Artificial wood—an exercise in materials innovation 人造木材——材料创新的实践
International Journal of Materials in Engineering Applications Pub Date : 1979-09-01 DOI: 10.1016/S0141-5530(79)90138-9
C.G. Cannon , M.T. Kirk, A. Selwood
{"title":"Artificial wood—an exercise in materials innovation","authors":"C.G. Cannon ,&nbsp;M.T. Kirk,&nbsp;A. Selwood","doi":"10.1016/S0141-5530(79)90138-9","DOIUrl":"10.1016/S0141-5530(79)90138-9","url":null,"abstract":"<div><p>The development of an artificial wood based on fibre reinforcement of rigid polyurethane foams is described. Properties achieved (on lab scale evaluation) with a variety of possible reinforcing yarns are given in detail. Torsion and shear properties were poorer than timbers at a comparable density but fracture toughness was higher. At a slightly higher density, but still much below plastics or g.r.p., the artificial product could be substituted for wood in many end uses.</p><p>Development to pilot-scale production and final abandonment of commercial exploitation is briefly outlined.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 5","pages":"Pages 250-259"},"PeriodicalIF":0.0,"publicationDate":"1979-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0141-5530(79)90138-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90763122","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
Energy audit of a steering column housing made from aluminium alloys and DMC plastic 由铝合金和DMC塑料制成的转向柱外壳的能源审计
International Journal of Materials in Engineering Applications Pub Date : 1979-09-01 DOI: 10.1016/S0141-5530(79)90147-X
E.A. Brandes, N.A. Waterman, Fulmer Research Institute Ltd
{"title":"Energy audit of a steering column housing made from aluminium alloys and DMC plastic","authors":"E.A. Brandes,&nbsp;N.A. Waterman,&nbsp;Fulmer Research Institute Ltd","doi":"10.1016/S0141-5530(79)90147-X","DOIUrl":"10.1016/S0141-5530(79)90147-X","url":null,"abstract":"<div><p>The total energy involved in making a steering column housing has been estimated for five possible materials. Four of these are aluminium alloys — commercial LM24, commercial LM4 and the same alloys if made from all new virgin metals. The possible substitute for aluminium die casting, a dough moulding compound, has been estimated as a comparison. The lowest energy total found for the part was the present production method of die casting LM24 aluminium alloy which is derived for all secondary metal. The use of LM24 which has 10% virgin metals in its manufacture raises the total energy for the part above that of the plastic moulding. Manufacture from aluminium alloys made from all virgin metals gives prohibitively high energy costs.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 5","pages":"Pages 260-266"},"PeriodicalIF":0.0,"publicationDate":"1979-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0141-5530(79)90147-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82779140","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
How long have we got? 我们还有多长时间?
International Journal of Materials in Engineering Applications Pub Date : 1979-09-01 DOI: 10.1016/S0141-5530(79)90129-8
W.E. Duckworth
{"title":"How long have we got?","authors":"W.E. Duckworth","doi":"10.1016/S0141-5530(79)90129-8","DOIUrl":"10.1016/S0141-5530(79)90129-8","url":null,"abstract":"","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 5","pages":"Page 249"},"PeriodicalIF":0.0,"publicationDate":"1979-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0141-5530(79)90129-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86746884","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
Refractories in the chemical industries 化学工业中的耐火材料
International Journal of Materials in Engineering Applications Pub Date : 1979-09-01 DOI: 10.1016/S0141-5530(79)90174-2
L.G. Huggett, Imperial Chemical Industries Limited, Agricultural Division, Materials Group
{"title":"Refractories in the chemical industries","authors":"L.G. Huggett,&nbsp;Imperial Chemical Industries Limited, Agricultural Division, Materials Group","doi":"10.1016/S0141-5530(79)90174-2","DOIUrl":"10.1016/S0141-5530(79)90174-2","url":null,"abstract":"<div><p>Attention is drawn to the contrast between the state of knowledge of the properties and behaviour of refractory materials in the wide variety of hostile environments to which they are subjected and the so far poorly developed state of refractories engineering. The chemical industry itself provides a considerable variety of environmental conditions, the effects of these have generally been well studied and the most important of them are discussed. In parts of the chemical industry, notably in hydrocarbon processing, the conditions for refractories are rather easy, however reliability is particularly important and this combination of circumstances makes it specially necessary to minimise deficiencies in design and construction. Materials must be chosen with generous safety margins in temperature capability and the refractory construction system, whether brick, monolithic or fibre, should be suitable not only for the operating conditions but also for the type of equipment concerned and the construction circumstances. The advantages of refractory concretes, for example, show themselves particularly on lining reactors and other equipment of complex shape: ceramic fibres are an important and developing system: brickwork has the longest history of development. Whatever the system attention to detail is very important in ensuring a high reliability. In recent years several novel processes have been investigated based on the use of refractory ceramic heat exchange materials. Some of these present very severe engineering design problems and it seems doubtful whether the demand will provide the incentive to solve them. Development of a basic refractories engineering remains the most important need in this industry.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 5","pages":"Pages 280-294"},"PeriodicalIF":0.0,"publicationDate":"1979-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0141-5530(79)90174-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87327078","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
The engineer and materials of today 今天的工程师和材料
International Journal of Materials in Engineering Applications Pub Date : 1979-09-01 DOI: 10.1016/S0141-5530(79)90165-1
Dr, OBE, CEng, FIM E.G. West
{"title":"The engineer and materials of today","authors":"Dr, OBE, CEng, FIM E.G. West","doi":"10.1016/S0141-5530(79)90165-1","DOIUrl":"10.1016/S0141-5530(79)90165-1","url":null,"abstract":"<div><p>The education of engineers in materials involves many problems for teachers and students, for the professional institutions and for industry. The increasing awareness of the need to conserve energy and to optimise the use of metals and other engineering materials must lead to the reappraisal of the design function in relation to the selection of materials and manufacturing operations. There is no attempt at syllabus building but the interdisciplinary nature of materials studies is illustrated by references to steels and non-ferrous metals, welding and corrosion protection. The need to use effectively all the sources of available information and the value of case studies are emphasised.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 5","pages":"Pages 274-279"},"PeriodicalIF":0.0,"publicationDate":"1979-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0141-5530(79)90165-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"95789764","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
Materials aspects of world energy needs 材料方面的世界能源需求
International Journal of Materials in Engineering Applications Pub Date : 1979-06-01 DOI: 10.1016/0141-5530(79)90028-1
J.K.R. Page
{"title":"Materials aspects of world energy needs","authors":"J.K.R. Page","doi":"10.1016/0141-5530(79)90028-1","DOIUrl":"10.1016/0141-5530(79)90028-1","url":null,"abstract":"<div><p>A summary report of the wide ranging discussions held at this first international conference on the materials aspects of energy supplies, which pointed to the need for much more work to be done.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 4","pages":"Pages 236-242"},"PeriodicalIF":0.0,"publicationDate":"1979-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-5530(79)90028-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84435152","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
Design of load-bearing thermoplastics products 承载热塑性塑料产品的设计
International Journal of Materials in Engineering Applications Pub Date : 1979-06-01 DOI: 10.1016/0141-5530(79)90024-4
P.C. Powell
{"title":"Design of load-bearing thermoplastics products","authors":"P.C. Powell","doi":"10.1016/0141-5530(79)90024-4","DOIUrl":"10.1016/0141-5530(79)90024-4","url":null,"abstract":"<div><p>This review describes ways of predicting quantitatively how an unreinforced thermoplastics part behaves under load or deformation. Creep, stress relaxation, recovery, creep rupture and crack growth data are discussed. A check list identifies requirements for design data. Designing for stiffness devolves on the use of a time- and temperature-dependent modulus (the pseudo-elastic design method), and reference is made to the judicious use of shape, including foam, to achieve high bending stiffness per unit weight. Designing for strength involves either the use of an appropriate failure stress downrated by a safety factor, or the use of creep data together with a maximum strain concept. Where thermoplastics behave in a brittle manner, crack growth problems are allowed for using linear-elastic sharp-crack fracture mechanics. Five numerical examples illustrate the recommended design procedures. The review also refers to the effects of processing on design and on product performance.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 4","pages":"Pages 190-202"},"PeriodicalIF":0.0,"publicationDate":"1979-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-5530(79)90024-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89118824","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
Recent advances in zinc die casting technology 锌压铸技术的最新进展
International Journal of Materials in Engineering Applications Pub Date : 1979-06-01 DOI: 10.1016/0141-5530(79)90026-8
Schrade F. Radtke, Donald C. Herrschaft
{"title":"Recent advances in zinc die casting technology","authors":"Schrade F. Radtke,&nbsp;Donald C. Herrschaft","doi":"10.1016/0141-5530(79)90026-8","DOIUrl":"10.1016/0141-5530(79)90026-8","url":null,"abstract":"<div><p>The zinc die casting process is undergoing major changes as researchers uncover new knowledge about the material and the process. International Lead Zinc Research Organisation, Inc. (ILZRO) has been sponsoring such research for years in the U.S., U.K. and Australia. The basic objective of these projects is to improve the zinc die casting process itself so that ultimately all major parameters in the process will be controlled automatically to enable production of zinc die castings at the lowest possible cost and with zero defects. This paper reviews some of the specific developments emerging from all three research areas, including thin-walled die casting, alternative gating systems, die coatings and die materials, pressure and thermal studies, metallurgical properties of castings, and runner design, with emphasis on tapered runners.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 4","pages":"Pages 209-226"},"PeriodicalIF":0.0,"publicationDate":"1979-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-5530(79)90026-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"94757057","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
Filled thermoplastic materials Part II. Current applications 填充热塑性材料第二部分。当前的应用程序
International Journal of Materials in Engineering Applications Pub Date : 1979-06-01 DOI: 10.1016/0141-5530(79)90025-6
N.A. Waterman, A.M. Pye
{"title":"Filled thermoplastic materials Part II. Current applications","authors":"N.A. Waterman,&nbsp;A.M. Pye","doi":"10.1016/0141-5530(79)90025-6","DOIUrl":"10.1016/0141-5530(79)90025-6","url":null,"abstract":"<div><p>Thermoplastic materials filled with inexpensive inorganic fillers are an increasingly important class of engineering materials. Metal replacement and substitution for more expensive, unfilled plastics are the prime application targets for these new materials which can be tailored to suit the requirements of a wide range of automotive, appliance and general engineering products. This paper reviews some current applications of filled thermoplastic materials.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 4","pages":"Pages 203-208"},"PeriodicalIF":0.0,"publicationDate":"1979-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-5530(79)90025-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75394113","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
An introduction to fracture mechanics for engineers Part II: Using the stress intensity factor to characterise fracture and fatigue crack growth 工程师断裂力学导论第二部分:使用应力强度因子来表征断裂和疲劳裂纹扩展
International Journal of Materials in Engineering Applications Pub Date : 1979-06-01 DOI: 10.1016/0141-5530(79)90027-X
R.A. Smith
{"title":"An introduction to fracture mechanics for engineers Part II: Using the stress intensity factor to characterise fracture and fatigue crack growth","authors":"R.A. Smith","doi":"10.1016/0141-5530(79)90027-X","DOIUrl":"10.1016/0141-5530(79)90027-X","url":null,"abstract":"<div><p>This article continues the discussion of the Stress Intensity Factor parameter by demonstrating how it can be used to characterise catastrophic (rapid) fracture and stable fatigue crack growth. Numerical values for the fracture toughness, crack growth ‘constants’ and threshold Stress Intensities are given for a wide range of engineering materials. The principles of the Fracture Mechanics approach to failure prevention are illustrated by worked examples.</p></div>","PeriodicalId":100706,"journal":{"name":"International Journal of Materials in Engineering Applications","volume":"1 4","pages":"Pages 227-235"},"PeriodicalIF":0.0,"publicationDate":"1979-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-5530(79)90027-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91482392","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: 4
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