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plasma discharge reactions

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001319
EISBN: 978-1-62708-170-2
... Abstract This article provides an overview of plasma surface treatments for plastics. It covers the equipment and methods used in plasma processing, providing detailed explanations of the plasma discharge reactions and how they affect surface state and topography. It also provides information...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005793
EISBN: 978-1-62708-165-8
... 136 – 140 10.1179/174951409X12542264514202 Theoretical Background on Glow-Discharge Plasma Range and Limitations of Glow-Discharge Plasma Voltage Levels in Plasma Carburizing Coverage and Wrap-Around Effect Principles of Plasma Carburizing Carburizing Reaction in Plasma...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001285
EISBN: 978-1-62708-170-2
... of a remote plasma-enhanced chemical vapor deposition reactor for depositing compound semiconductor films. TMG, trimethylgallium. Source: Ref 23 Fig. 1 Activation energy diagram for thermally driven (solid line) and plasma-enhanced (dashed line) chemical vapor deposition reactions. A and B...
Book Chapter

By Donald M. Mattox
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001289
EISBN: 978-1-62708-170-2
.... , Vol 118 , 1982 , p 429 10.1016/0039-6028(82)90198-4 23. Leland A. , Fancey K.S. , and Mathews A. , Plasma Nitriding in a Low Pressure Triode Discharge to Provide Improvements in Adhesion and Load Support for Wear Resistant Coatings , Surf. Eng. , Vol 7 ( No. 3 ), 1991...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006269
EISBN: 978-1-62708-169-6
... A and B, respectively, of the plasma-nitrided Ti-6Al-4V sample. T N = 765 °C (1410 °F); 28 h; nitrogen. Original magnification: 500×; etched with modified Kroll's reagent. Source: Ref 66 . (c) and (d) Concentration depth profiles (glow discharge optical emission spectrometry) of sides A and B...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006273
EISBN: 978-1-62708-169-6
... , 10 ), pulsed dc discharge plasma ( Ref 5 , 11 ), as well as high-frequency plasma ( Ref 6 ) and microwave discharge plasma ( Ref 7 , 12 ) ( Table 4 ). In addition, plasma immersion ion implantation (PIII) ( Ref 8 ) as well as various liquid-phase nitriding treatments, for example, laser nitriding...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006651
EISBN: 978-1-62708-213-6
... with the electric and magnetic field. This creates a chain reaction of collisions, resulting in additional argon ions and electrons. The process generates heat, and the reactions are sustained until the flow of argon gas is stopped. The RF coil sits above the torch, and a bullet-shaped plasma (6000 to 10,000 K...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006640
EISBN: 978-1-62708-213-6
... an electrical discharge, or breakdown to plasma in an intense electromagnetic field. Analytical flames are generated by the burning of a mixture of two gases—a fuel and an oxidant—in a burner arrangement that allows introduction of the sample into the flame as a fine aerosol. However, the use of combustion...
Book Chapter

By S.L. Rohde
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001288
EISBN: 978-1-62708-170-2
... glow discharge sputtering magnetron sputtering nonreactive sputtering plasma formation process control radio-frequency sputtering reactive sputtering sputter deposition sputtered films triode sputtering unbalanced magnetron sputtering SPUTTERING is a nonthermal vaporization process...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005977
EISBN: 978-1-62708-168-9
...-discharge nitrided at different temperatures. Source: Ref 24 Fig. 31 Corrosion-wear data after unidirectional testing against WC-6%Co balls in 3% NaCl. Source: Ref 21 Fig. 20 Hardness profiles of ASTM F138 steel sample plasma nitrided (PN) at 400 °C (750 °F), plasma carburized (PC...
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
... of carbides, nitrides, or oxides. In this process, an appropriate gas such as oxygen or nitrogen is introduced into the region where the metal is being evaporated. The reaction to produce the desired coating occurs on the surface of the component. In an activated reactive evaporation process, a gas plasma...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005986
EISBN: 978-1-62708-168-9
...) concentration profile of carbon and nitrogen in the compound layer of low-alloyed steel after plasma nitriding. Source: Ref 12 Fig. 8 Gas-nitrided needle beds in large-diameter, fine-gage circular knitting machines Fig. 9 Effect of oxygen on the reaction rate in gaseous nitriding. Source...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001291
EISBN: 978-1-62708-170-2
... , IEEE Trans. Plasma Sci. , Vol 18 ( No. 6 ), 1990 , p 895 – 903 10.1109/27.61500 17. Saenko V.A. , Derkach A.A. , and Poznikharenko V.M. , Discharge Chamber of Metal-ion Source , Instrum. Exp. Tech. , Vol 33 ( No. 4 ), 1990 , p 910 – 912 18. Mausbach M...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003219
EISBN: 978-1-62708-199-3
... discharge, and the ionized gas is termed plasma. The argon ions hit the solid target, which is the source of the coating material (and not to be confused with the substrate, which is the item to be coated). The target is negatively biased and therefore attracts the positively charged argon ions, which...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003219
EISBN: 978-1-62708-199-3
... of the basic sputtering process The sputtering process begins when an electric discharge is produced and the argon becomes ionized. The low-pressure electric discharge is known as glow discharge, and the ionized gas is termed plasma. The argon ions hit the solid target, which is the source...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001421
EISBN: 978-1-62708-173-3
... welding to small-scale butt welding. Generally, capacitive discharge welding processes are characterized by extremely rapid discharge rates (on the order of 5 to 25 ms) and subsequent rapid thermal cycles. In terms of suppressing chemical reactions in silicon carbide-reinforced Al-MMCs, the capacitive...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
... 3 . Gaseous nitrocarburizing is performed near 570 °C (1060 °F), a temperature just below the austenite range for the Fe-N system. Treatment times generally range from 1 to 5 h. Plasma nitrocarburizing is in essense a variant of the glow-discharge plasma nitriding method. Advantages associated...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006641
EISBN: 978-1-62708-213-6
... conditions to obtain the concentration of all elements. This analysis arrangement reduces analysis throughput and lowers instrument productivity. Furthermore, the reduced RF power makes the plasma susceptible to matrix effects when analyzing a complicated sample. The dynamic reaction cell (DRC...
Book Chapter

Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003685
EISBN: 978-1-62708-182-5
... begins when an electric discharge is produced and the argon becomes ionized. The low-pressure electric discharge is known as glow discharge, and the ionized gas is termed plasma. Fig. 1 Basic sputtering process The argon ions hit the solid target, which is the source of the coating material...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001336
EISBN: 978-1-62708-173-3
... a welding arc between a nonconsumable tungsten-base electrode and the workpieces to be joined. C.E. Jackson defined a welding arc as “a sustained electrical discharge through a high-temperature conducting plasma producing sufficient thermal energy so as to be useful for the joining of metals by fusion...