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pack cementation boriding

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Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005772
EISBN: 978-1-62708-165-8
... involving severe wear. This article presents a variety of methods and media used for boriding of ferrous materials, and explains their advantages, limitations, and applications. These methods include pack cementation boriding, gas boriding, plasma boriding, electroless salt bath boriding, electrolytic salt...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006420
EISBN: 978-1-62708-192-4
... electrolytic salt bath boriding process developed by Argonne National Laboratory (Illinois, USA) in the late 2000s had some problems with rapid deterioration of process equipment and difficulty of salt removal from the processed workpiece. Pack cementation continues to be the dominant boronizing process method...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003218
EISBN: 978-1-62708-199-3
... the characteristics of different pack cementation processes, including aluminizing, siliconizing, chromizing, boronizing, and multicomponent coating. aluminizing boronizing chemical vapor deposition chemical vapor deposition materials chromizing multicomponent coating siliconizing CHEMICAL VAPOR...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005775
EISBN: 978-1-62708-165-8
... Abstract Pack cementation is the most widely employed method of diffusion coating. This article briefly reviews pack cementation processes of aluminizing, chromizing, and siliconizing. It contains tables that list typical characteristics of pack cementation processes and commercial applications...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001280
EISBN: 978-1-62708-170-2
... of various coating materials, namely, silicate glasses, oxides, carbides, silicides, and cermets. It reviews ceramic coating methods: brushing, spraying, dipping, flow coating, combustion flame spraying, plasma-arc flame spraying, detonation gun spraying, pack cementation, fluidized-bed deposition, vapor...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001105
EISBN: 978-1-62708-162-7
...) for products that contain a bronze, silver, or copper metal matrix; 1300 to 1500 °C (2370 to 2730 °F) for cemented carbides and borides; and 1700 to 2200 °C (3100 to 4000 °F), or even higher, for certain ceramic oxide-base cermets. For applications requiring fine machining and grinding, as in many cemented...
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001293
EISBN: 978-1-62708-170-2
... presents information on the coating formation mechanism of superalloys and explains the steps involved in a typical pack cementation process. It concludes with information on the processing procedures and properties of pack aluminized steels. aircraft engines coating formation diffusion coatings...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001318
EISBN: 978-1-62708-170-2
...), refractory carbides and borides have been used for short time periods. Coating deposition techniques that have been used include pack cementation, CVD, and slurry processes. Coating architectures are normally built using combinations of these techniques. In the following sections, typical coating...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
... an aluminide to a silicide base in the mid 1950s. A list of the basic silicide coatings is shown in Table 6 . Most of the silicide coatings are deposited by pack-cementation diffusion processes. A major deficiency in the performance of silicide-base coatings appears when the system is used in low-pressure...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006364
EISBN: 978-1-62708-192-4
...-resistant coatings, namely, compound casting, deposition welding, and thermal spraying. abrasive wear-resistant coating borides carbides metal-matrix composites cemented carbides hardness wear-resistant material cobalt alloys iron alloys nickel-base alloys wear tribomechanical properties...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002466
EISBN: 978-1-62708-194-8
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003059
EISBN: 978-1-62708-200-6
... Abstract This article provides crystallographic and engineering data for single oxide ceramics, zirconia, silicates, mullite, spinels, perovskites, borides, carbides, silicon carbide, boron carbide, tungsten carbide, silicon-nitride ceramics, diamond, and graphite. It includes data on crystal...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005771
EISBN: 978-1-62708-165-8
... to tool steels that may be hardened by heat treatment. Boriding techniques include metallizing, chemical vapor deposition, and pack cementation. For additional information, see the article “Boriding (Boronizing) of Metals” in this Volume. Titanium Carbide With process temperatures in the range...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001283
EISBN: 978-1-62708-170-2
... applications where low temperature is essential. Closed-Reactor CVD or Pack Cementation The CVD systems described above use open reactors, in which reactants are introduced continuously and flow through the reactor ( Ref 1 ). Another important system utilizes a closed reactor. The chemical vapor...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005707
EISBN: 978-1-62708-171-9
... processes are performed at temperatures between 700 and 1000 °C (1300 and 1800 °F). Pack boriding involves the use of boron carbide as a boron source with an activator compound such as BaF 2 , NH 4 Cl, or K 2 BF 4 . Paste boriding requires the application of a commercially available paste supplied...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003422
EISBN: 978-1-62708-195-5
... thermal mismatch stresses and low oxide-scale growth kinetics. In the higher temperature range, 1700 to 2200 °C (3090 to 3990 °F), refractory carbides and borides have been used for short time periods. Coating deposition techniques that have been used include pack cementation, CVD, and slurry processes...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005773
EISBN: 978-1-62708-165-8
..., recessed areas, and simultaneous core hardening and so on can be listed as advantages over CVD and PVD. The TRD process can be performed by use of molten salt bath, fluidized-bed, and pack cementation methods using solid reagent powders. The first productive carbide coating process was developed...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003051
EISBN: 978-1-62708-200-6
... and advanced manufacturing techniques are often used where these materials are employed. This article examines several traditional ceramics, including structural clay, whiteware, glazes, enamels, portland cements, and concrete. It also provides a detailed account of fabrication methods, properties...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003976
EISBN: 978-1-62708-185-6
... typically have been designed for specialized applications. Nonferrous materials, such as superalloys, TZM molybdenum, and cemented carbides, are also sometimes used for severe applications. Table 3 compares service temperatures of die materials used in forging operations. Typical service temperature...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003064
EISBN: 978-1-62708-200-6
... reliable protection for long periods of time at temperatures below 1700 °C (3092 °F). Experiments with a variety of refractory carbides and boride coatings formed by reaction sintering demonstrated that protection for short times up to 2200 °C (3992 °F) could be achieved with sintered ZrC and ZrB 2...