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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003293
EISBN: 978-1-62708-176-4
... Abstract High strain rate testing is important for many engineering structural applications and metalworking operations. This article describes various methods for high strain rate testing. Several methods have been developed, starting with the pioneering work of John Hopkinson and his son...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005524
EISBN: 978-1-62708-197-9
... Abstract This article provides an overview of integrated weld modeling and presents strategic goals for the welding industry. It discusses the fundamentals of the underlying physics and the methodologies to solve the same. The article presents the pioneering work done to predict the heat...
Image
Published: 01 January 1994
Fig. 2 Loading of a large steam turbine generator bearing into a centrifugal babbitting machine. Courtesy of Pioneer Motor Bearing Company More
Image
Published: 01 December 2008
Fig. 7 Loading of a large steam turbine generator bearing into a centrifugal Babbitting machine. Courtesy of Pioneer Motor Bearing Company More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006086
EISBN: 978-1-62708-175-7
.... Source: Ref 3 Fig. 5 Chemical and electrochemical methods of powder production. Source: Ref 3 Most ferrous powders are currently produced by water atomization of liquid steel. This process, pioneered in the 1960s by the A.O. Smith Company, has since been adopted by the mainiron...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001051
EISBN: 978-1-62708-161-0
... in creep strength and ductility as well as in thermal fatigue resistance (5× improvement). Pratt and Whitney Aircraft (PWA) pioneered this process ( Ref 3 , 4 ), as well as its turbine engine application, and has accumulated 18 years of production experience with over 25 million flight hours with DS...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006357
EISBN: 978-1-62708-192-4
... of which is perhaps the Archard’s theory of wear ( Ref 2 ). Others include the theory of oxidational wear pioneered by Quinn ( Ref 3 ), which originated from his 1962 work examining the mild wear of steels ( Ref 4 ), and the delamination theory of wear by Suh ( Ref 5 ). Many of these theories often were...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004160
EISBN: 978-1-62708-184-9
.... Research is ongoing about the corrosion mechanism, levels of dissolved oxygen, and various alternative repair mechanisms. There are three primary repair alternatives to address corrosion in water cooled coils. The first repair option, pioneered by the OEM, is to inject epoxy resin into the “strand package...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005438
EISBN: 978-1-62708-196-2
... and engineering in the application of computational modeling, and these disciplines have developed significant groundwork for the quality assessment of computational models. Organizational research was an early pioneer of computational modeling to predict the responses of large, complex systems, including...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003716
EISBN: 978-1-62708-182-5
... of diffusion in solids. The systematic study of high-temperature oxidation began in the 1920s. In 1933 Wagner published his pioneering paper on gas corrosion of metals. The first journal devoted to corrosion in gases, Oxidation of Metals , was published in the 1960s. The following articles introduce...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005900
EISBN: 978-1-62708-167-2
... vacuum degassing vacuum induction furnaces vacuum induction melting AT THE BEGINNING of the last century Wilhelm Rohn became a pioneer in the melting and treating of metals in the vacuum induction melting (VIM) furnace. But it took more than 30 years before vacuum-melting technologies could...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003968
EISBN: 978-1-62708-183-2
... to investigate the impact of the deterioration of structures exposed to sea action. At the end of this investigation ( Ref 45 ), it was estimated that the annual world cost of steel and iron wasted by rusting was of the order of £600 million British pounds (GBP). The U.K. was perhaps the pioneering country...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005678
EISBN: 978-1-62708-198-6
... War II and all records were lost. It nevertheless appears that this pioneering development represented the first effective introduction of metal-on-metal total replacement joints. Femoral Head Replacements It was not until the 1950s that further progress was reported on total replacement joints...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006982
EISBN: 978-1-62708-439-0
... on an automatic scanning arm. The probe has 128 elements with 10 MHz frequency and 0.25 mm (0.01 in.) pitch. The wavelength is therefore approximately 0.6 mm (0.024 in.). The array controller is the Pioneer 128 channels from The Phased Array Company (TPAC). The mechanical scan was performed in the direction...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005130
EISBN: 978-1-62708-186-3
... transfer ratio is generally >85%. Details of plasma arc torches and systems may be found in Volume 6 of ASM Handbook and in the article “Electric Arc Cutting” in this Volume. The Basic Process Modern thermal processing using a laser has been pioneered in Poland ( Ref 2 , 3 ) and in Germany...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006330
EISBN: 978-1-62708-179-5
..., but an accurate cooling rate is obtained. Direct Measurements of Volume Changes A pioneer in direct measurement of volume change in cast iron was Schmidt ( Ref 4 ), who developed a process to track shrinkage during solidification. In this approach, volumetric changes during solidification have been...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005522
EISBN: 978-1-62708-197-9
...-like aggregate of catalytic nickel. Courtesy of IFAM, Bremen, Germany, via ESA Selected Highlights: Microgravity Research Inputs to Modeling and Numerical Simulation Liberated from bothersome gravity-driven effects, new, major outcomes are expected from the ISS era that will build on pioneer...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006567
EISBN: 978-1-62708-290-7
... steel. This process, pioneered in the 1960s by the A.O. Smith Company, has since been adopted by the main iron and steel powder producers in North America, which have developed a wide spectrum of elemental and prealloyed powders. Metal powders produced by mechanical and chemical methods...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001231
EISBN: 978-1-62708-170-2
... future. Pioneering work conducted at a number of institutions ( Ref 3 , 4 , 5 , 6 , 7 , 8 , 9 ) has resulted in the development of ultraprecision lathes. Two typical machines are shown in Fig. 1 . The cutting tools used are single-crystal diamonds. One mode of manufacture of these tools...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003019
EISBN: 978-1-62708-200-6
..., these materials appear capable of providing high structural integrity and may well prove to be the pioneering composite fabrication procedure in high load bearing, high-volume applications. The advanced state of commercialization of this process relative to other evolving techniques provides lead time...