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thermal decomposition

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006087
EISBN: 978-1-62708-175-7
... Abstract This article provides a discussion on the process descriptions, processing conditions, and processing variables of the most common chemical methods for metal powder production. These methods include oxide reduction, precipitation from solution, and thermal decomposition. Methods such...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005959
EISBN: 978-1-62708-168-9
... discussion on physical metallurgy, including crystallographic identity, thermal stability and decomposition, nitrogen and carbon solubility in expanded austenite, and diffusion kinetics of interstitials. It provides a description of low-temperature nitriding and nitrocarburizing processes for primarily...
Book Chapter

By Erhard Klar
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003185
EISBN: 978-1-62708-199-3
..., electrochemical, atomizing, oxide reduction, and thermal decomposition processes. It also covers the consolidation of powders by pressing and sintering, as well as by high density methods. Further emphasis is provided on the distinguishing features of powders, their manufacturing processes, compacting processes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003112
EISBN: 978-1-62708-199-3
... process, Pyron process, atomization of liquid metal, thermal decomposition and the electrodeposition process for carbonyl and electrolytic iron powders. It describes the types of compaction and sintering, explaining their effects of processing with designations. Further, the article deals with the...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005822
EISBN: 978-1-62708-165-8
... of the process include relief of residual stresses ( Ref 6 ); reduced retained austenite (in hardened steel); the precipitation of fine carbides in ferrous metals ( Ref 7 , 8 ); and increased wear resistance, fatigue life, hardness, dimensional stability, thermal and electrical conductivity, and...
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
... °C (1000 °F). One advantage of boriding treatments is that the boride layers are stable at high operating temperatures and can survive without decomposition or loss of hardness at temperatures up to 650 °C (1200 °F). A study was performed to characterize the long-term thermal stability of boride...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006300
EISBN: 978-1-62708-179-5
... thermal analysis (TA) and differential thermal analysis (DTA). Figure 5 shows an example of a cooling curve record that could be used for establishing CCT curves. The time derivative of the curve shows clearly that the solid-state transformation proceeds in two steps that start as indicated with the...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006661
EISBN: 978-1-62708-213-6
... = 0.52. Pierce et al. ( Ref 34 ) used TPD to investigate the thermal decomposition of a molybdenum disulfide (MoS 2 ) film on a molybdenum substrate. Molybdenum disulfide is a dichalcogenide and is frequently used as a solid lubricant. The TPD experiments were performed on ~230 nm thick MoS 2 films...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
... a function of temperature and time, and it utilizes an extremely sensitive electronic microbalance. Typically, a polymer sample is examined from room temperature to above its decomposition or pyrolysis temperature in nitrogen (thermal stability). Often, a platinum pan or quartz boat is used for high...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005736
EISBN: 978-1-62708-171-9
... Abstract Thermal spray processes involve complete or partial melting of a feedstock material in a high-temperature flame, and propelling and depositing the material as a coating on a substrate. This article describes the properties of sprayed electronic materials, including dielectrics...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005727
EISBN: 978-1-62708-171-9
... Abstract This article discusses three types of powder-feeder systems that are commonly used throughout the thermal spray (TS) industry: gravity-based devices, rotating wheel devices, and fluidized-bed systems. It provides information on the various mechanical methods for producing powders...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005745
EISBN: 978-1-62708-171-9
... Abstract This article reviews the use of thermal spray polymer coatings as a replacement for paints. It discusses the applications of the thermal spray forming process. The article also provides information on the applications of thermal spray in metal processing, textile and plastics, and...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005758
EISBN: 978-1-62708-171-9
... Abstract This article provides members of the thermal spray community with practical recommendations for the safe installation, operation, and maintenance of gas equipment used in the thermal spray process. It focuses on safety issues concerning gas equipment used in conjunction with thermal...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005741
EISBN: 978-1-62708-171-9
... decomposition, but it is not popular because of high production costs. Thermal spray parameters are varied and usually are kept confidential, but the following coating outcomes have been widely accepted ( Ref 3 ): Crystallinity is 50 to 90%. The best range is 70 to 85% for bone growth. Minimize the...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003690
EISBN: 978-1-62708-182-5
... Abstract This article provides an overview of thermal spray processes. It describes the microstructural character of thermal spray coatings as well as the criteria for coating selection. The optimization, parameterization, and surface preparation and treatments for the thermal spray coatings...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005436
EISBN: 978-1-62708-196-2
...-transfer coefficients? Should an inverse method be used, and if so, which is the best method (Beck's second method, Ref 84 ; function decomposition method, Ref 85 ; or other method) to solve the inverse problem? What is the availability of the physical property data (specific heat, thermal diffusivity...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005718
EISBN: 978-1-62708-171-9
... Abstract This article presents the major thermal spray processes and their subsets, presenting each of the commercially significant processes together with some of their important variations. Each process is presented along with the attributes that influence coating structure and performance...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006331
EISBN: 978-1-62708-179-5
... formation by introducing the scalar relation, known as the additive strain decomposition. The main factors influencing casting deformation are volume changes during solidification and cooling, phase transformations, alloy composition, thermal gradients, casting geometry, and mold stability. The article...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005574
EISBN: 978-1-62708-174-0
... diffusion bonding literature. Resulting models show the importance of the size and distribution of the residual oxide particles, as well as the role of the thermal cycle. Finally, the third underlying mechanism of forge welding processes is the decomposition of the interfacial structure. Following the...