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Author : R. J. Fruehan
Publisher : Unknown
Page : 208 pages
File Size : 55,5 Mb
Release : 1990
Category : Technology & Engineering
ISBN : PSU:000019636801
Author : P. J. O'Reilly
Publisher : Unknown
Page : 138 pages
File Size : 54,9 Mb
Release : 1964
Category : Alloys
ISBN : UOM:39015095154566
This report gives the experiences of several steel producers and consumers with vacuum degassing as a melting practice in the manufacture of high-strength steels for critical applications. The parameters involved in determining the effects of melting practice on mechanical properties are outlined. Pertinent melting processes are described and evaluated qualitatively. In presenting the data, vacuum degassing is compared with other melting practices such as conventional air melting and consumable-electrode vacuum-arc remelting (CEVAR). Generally, there is a trend indicating that vacuum degassing is being used in some production applications instead of air-melted or CEVAR material. In terms of higher and more uniform transverse tensile properties and impact strength, longer fatigue life, and improved cleanliness, the CEVAR alloys were the best. Vacuum degassing by any of the various methods resulted in an improvement in properties of air-melted alloys. In some instances it appeared that the quality of CEVAR alloys could be approached when stream degassing or D-H (Dortmund-Horder) treatment was applied to air melts. Recommendations are given for additional investigations on the effects of melting practice on mechanical properties of premium-quality steels. (Author).
Author : Iron and Steel Institute
Publisher : Unknown
Page : 212 pages
File Size : 50,9 Mb
Release : 1965
Category : Gases in metals
ISBN : STANFORD:36105030732130
Author : A. F. Hoenie,J. Varga (Jr.),A. R. Elsea
Publisher : Unknown
Page : 38 pages
File Size : 48,6 Mb
Release : 1966
Category : Steel
ISBN : UOM:39015095155696
Numerous industrial users were asked for their appraisal of vacuum-degassed steel. Their responses regarding the merits of this vacuum treatment were varied. The producers and users of large forgings reported fewer internal defects, improved toughness, and decreased processing time through shorter hydrogen relief treatments. Improved fatigue life in applications such as bearings was attributed to fewer and smaller nonmetallic inclusions in vacuum-degassed steel. The users of medium and small forgings reported only marginal improvement in properties and little or no change in rejection rates by nondestructive testing. Unfortunately, many of the users could not give a meaningful evaluation because they knew that frequently their suppliers filled orders with vacuum-degassed steels even though such treatment was not specified. Consequently, these users are unable to separate the air melted and the vacuum-degassed steels in their stock for comparison. A more comprehensive study of fully identified steels, steelmaking practice, degassing methods, material properties, and performance in service will be required before a satisfactory evaluation of the merits of vacuum-degassed steels can be made. (Author).
Author : Minerals, Metals and Materials Society. Fall Meeting
Publisher : Unknown
Page : 536 pages
File Size : 52,6 Mb
Release : 1990
Category : Degassing of metals
ISBN : UCAL:B3845320
Author : Anonim
Publisher : ASTM International
Page : 144 pages
File Size : 48,6 Mb
Release : 1997
Category : Electronic
ISBN : 8210379456XXX
Author : James R. Kerr
Publisher : Unknown
Page : 40 pages
File Size : 50,7 Mb
Release : 1962
Category : Steel
ISBN : UOM:39015078456343
Author : George F. Schrader,Ahmad K. Elshennawy
Publisher : Society of Manufacturing Engineers
Page : 866 pages
File Size : 44,5 Mb
Release : 2000
Category : Technology & Engineering
ISBN : 9780872635173
This best-selling textbook for major manufacturing engineering programs across the country masterfully covers the basic processes and machinery used in the job shop, tool room, or small manufacturing facility. At the same time, it describes advanced equipment and processes used in larger production environments. Questions and problems at the end of each chapter can be used as self-tests or assignments. An Instructor's Guide is available to tailor a more structured learning experience. Additional resources from SME, including the Fundamental Manufacturing Processes videotape series can also be used to supplement the book's learning objectives. With 31 chapters, 45 tables, 586 illustrations, 141 equations and an extensive index, Manufacturing Processes & Materials is one of the most comprehensive texts available on this subject.
Author : Anonim
Publisher : Springer Science & Business Media
Page : 390 pages
File Size : 49,7 Mb
Release : 2007-09-06
Category : Technology & Engineering
ISBN : 9783540738121
"Materials for springs" is basically intended for engineers related to spring materials and technologies who graduated from metallurgical or mechanical engineering course in technical high school, or in other higher engineering schools, as well as those who are related to purchases or sales of spring materials. This book is the first comprehensive treatment in this specific topic. It is written by experts of the JSSE (Japan Society of Spring Engineers).
Author : Flake C. Campbell
Publisher : ASM International
Page : 671 pages
File Size : 41,5 Mb
Release : 2008-01-01
Category : Technology & Engineering
ISBN : 9781615030583
This practical reference provides thorough and systematic coverage on both basic metallurgy and the practical engineering aspects of metallic material selection and application.
Author : J. J. C. Hoo
Publisher : ASTM International
Page : 411 pages
File Size : 44,8 Mb
Release : 1988
Category : Rolling contact
ISBN : 9780803109995
Author : Anonim
Publisher : Unknown
Page : 94 pages
File Size : 53,5 Mb
Release : 2003
Category : Intelligent control systems
ISBN : 9289445343
Author : Edward G. Nisbett,Albert S. Melilli
Publisher : ASTM International
Page : 371 pages
File Size : 43,5 Mb
Release : 1997
Category : Alloys
ISBN : 9780803124233
Comprises 25 papers from the November 1996 symposium in New Orleans. The papers explore four subject areas: pressure vessel and nuclear forgings, general industrial forgings, test methods, and turbine and generator forgings. Specific paper topics include: new materials and forgings used for pressure
Author : United States. Environmental Protection Agency. Effluent Guidelines Division
Publisher : Unknown
Page : 472 pages
File Size : 43,9 Mb
Release : 1979
Category : Effluent quality
ISBN : OSU:32435069682789