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feedstock microstructure

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... for three materials, namely precipitation-hardened 17-4 PH stainless steel, cemented carbides, and alumina. The types of powders, binders, feedstock, shaping processes, debinding, sintering cycles, compositions, microstructure, distortion, postsintering treatments, and mechanical properties are presented...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460185
EISBN: 978-1-62708-285-3
... and conventional feedstock. Cryomilling produces nanograined feedstock powder, and cold spraying retains the nanometer-sized grains in the coating microstructure ( Ref 7.46 ). The wear rate of coatings produced using cryomilled feedstock was reported to be lower than that of the coatings produced using...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
... and customization of feedstock and describing the challenges in component production. The chapter also summarizes alphabetically a few key concepts in powder-binder processing. binders feedstock polymers powder-binder fabrication The idea of working powders into a target shape followed by sintering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
... also has a negative effect on the DE because the particles are too coarse to be deformed/deposited. Therefore, both fine and coarse particles must be separated from the feedstock powder. Particle size distribution cannot be specified with exact numbers. For HPCS, the 10 to 32, 15 to 38, and 20...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460121
EISBN: 978-1-62708-285-3
...Abstract Abstract This chapter elucidates the indispensable role of characterization in the development of cold-sprayed coatings and illustrates some of the common processes used during coatings development. Emphasis is placed on the advanced microstructural characterization techniques...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
...Abstract Abstract The conversion of feedstock into a shape involves the application of heat and pressure, and possibly solvents. This chapter discusses the operating principle, advantages, limitations, and applications of such shaping processes, namely additive manufacturing, cold isostatic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
.... Lawcoch R. , Wright M. , Vol 8 , MPIF , 2003 , p 8 - 217 to 8 - 233 24. Petzoldt F. and Hartwig T. , Overview on Binder and Feedstock Systems for PIM , Second European Symposium on Powder Injection Molding , Oct 18–20, 2000 ( Munich, Germany ), EPMA, p 43 – 50 25...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460017
EISBN: 978-1-62708-285-3
... – 749 10.1007/s11666-008-9258-1 2.80 Li C.-J. and Yang G.-J. , Relationships between Feedstock Structure, Particle Parameter, Coating Deposition, Microstructure and Properties for Thermally Sprayed Conventional and Nanostructured WC-Co , Int. J. Refract. Met. Hard Mater. , Vol 39...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460209
EISBN: 978-1-62708-285-3
... technology that can deposit metals or metal-ceramic composites under atmospheric conditions by accelerating feedstock particles above supersonic (300 to 1200 m/s, or 1000 to 3900 ft/s) speeds using a converge-diverge de Laval nozzle ( Ref 8.1 – 8.8 ). Because the cold spray process can produce thick deposits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460253
EISBN: 978-1-62708-285-3
... pressure for copper cold spray. The characterization of microstructures and mechanical properties for copper coatings has shown that bulk-equivalent material can be obtained, provided appropriate spray conditions and postspray heat treatments are employed ( Ref 10.10 – 10.12 ). Initial feasibility work...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120047
EISBN: 978-1-62708-269-3
... °F). After such heat treatment, the microstructure of the alloy shows a broken-up alpha phase in a matrix of beta. This microstructure provides a significant improvement in tensile and fatigue strengths over the standard heat treatments—solution treated and aged (STA) or solution treated, overaged...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... supported with either sand or metal shot. Fig. 21 Shell molding process. Source: Ref 7 Plaster mold casting is basically the same as sand casting except that gypsum plasters are used instead of sand. The advantages are very smooth surfaces, good dimensional tolerances, and microstructural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460067
EISBN: 978-1-62708-285-3
... – 3037 10.1016/S0020-7683(03)00059-3 3.22 Borchers C. , Gärtner F. , Stoltenhoff T. , Assadi H. , and Kreye H. , Microstructural and Macroscopic Properties of Cold Sprayed Copper Coatings , J. Appl. Phys. , Vol 93 ( No. 12 ), 2003 , p 10064 – 10070 10.1063...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... M.A. , and Bose A. , The Effect of Preparation Techniques and Storage Conditions on the Flow Properties of Additive Manufacturing (AM) Feedstocks , Advances in Additive Manufacturing with Powder Metallurgy—Proceedings of the 2019 Additive Manufacturing with Powder Metallurgy Conference...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... discontinuously reinforced aluminum (Al) composites. Source: Ref 4 Fig. 20.1 Metal matrix composite reinforcements. Source: Ref 1 Fig. 20.2 Silicon carbide particulate Fig. 20.3 Microstructure of 20 volume percent silicon carbide particulate discontinuously reinforced aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... Fig. 3 Microstructures of alloy 5356-H12 after treatment to produce varying degrees of susceptibility to SCC. (a) Cold rolled 20%; highly resistant. (b) Cold rolled 20%, then heated 1 year at 100 °C (212 °F); highly susceptible. (c) Cold rolled 20%, then heated 1 year at 150 °C (300 °F); slightly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290139
EISBN: 978-1-62708-319-5
... of Microstructure and Dimension of As-Molded Parts during Thermal Removal Process of Wax-Based MIM Binder , Trans. Nonferrous Met. Soc. China , Vol 11 , 2001 , p 340 – 344 7. Itoh Y. , Harikou T. , Satoh K. , and Miura H. , Development of the Binder System for Solvent and Thermal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... preferred site). However, the initiation sites may be submicroscopic and are largely determined by local chemical/microstructural differences, protective film features, corrodent concentration, and stress concentrations. A preexisting mechanical crack or other surface discontinuity, including chemically...