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Sintering furnaces

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006075
EISBN: 978-1-62708-175-7
... sintering furnaces with combustible atmospheres. It also provides a comprehensive high-level overview of the safety-related issues and concerns related to the use of compacting presses in the manufacturing sector. References References 1. “Investigation Report: Combustible Dust Hazard Study...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001044
EISBN: 978-1-62708-161-0
... porosity is controlled. Successful production by powder metallurgy depends on the proper selection and control of process variables: powder characteristics; powder preparation; type of compacting press; design of compacting tools and dies; type of sintering furnace; composition of the sintering atmosphere...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006069
EISBN: 978-1-62708-175-7
... furnace. Source: Ref 7 Fig. 7 Typical sinter-HIP cycle for consolidation of cemented carbide. Source: Ref 19 Fig. 8 Effect of different sintering process conditions on transverse rupture strength of carbides with different grain sizes. (a) Medium WC. (b) Fine WC Fig. 9...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006135
EISBN: 978-1-62708-175-7
...Abstract Abstract Sintering atmosphere protects metal parts from the effects of contact with air and provides sufficient conduction and convection for uniform heat transfer to ensure even heating or cooling within various furnace sections, such as preparation, sintering, initial cooling...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006137
EISBN: 978-1-62708-175-7
..., toxicity, and asphyxiation. References References 1. “Standard for Ovens and Furnaces,” NFPA 86, 2015 ed. , National Fire Protection Association , Quincy, MA 2. McKinley W. and Nayar H.S. , Safety Considerations in Sintering Atmospheres , Prog. Powder Metall. , Vol 35...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003119
EISBN: 978-1-62708-199-3
... Metallurgy , Vol 7 , ASM Handbook , ASM International , to be published in 1998 • Klar E. , Svilar M. , Lall C. , and Tews H. , Corrosion Resistance of Austenitic Stainless Steels Sintered in Commercial Furnaces , Advances in Powder Metallurgy and Particulate Materials , Vol...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006118
EISBN: 978-1-62708-175-7
... pressure. Source: Ref 7 Fig. 6 Spheroidal silicon oxide particles formed on 316L part on cooling in a marginal dewpoint furnace atmosphere. Source: Ref 4 Fig. 8 Schematic representation of the effects of green density, sintering temperature, d sintering time on sintered density...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006106
EISBN: 978-1-62708-175-7
... Sintering Temperature Furnace Atmosphere Furnace Design Sintered Properties Sintered bronze alloys represent a smaller fraction of copper-base powdered metal production. This is primarily due to their higher cost relative to comparable low-alloy steels. However, sintered bronze materials...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006100
EISBN: 978-1-62708-175-7
... parallelism is a major consideration, and, in general, parts are kept in the 0.05 to 0.10 mm (0.002 to 0.004 in.) tolerance range. Green compacts, placed on supporting steel backing plates, are stacked in sintering furnaces. Backing plates or cores generally are cleaned and copper plated to achieve good...
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
... μm diam) were sintered at 1030 °C for 30 min in vacuum. Courtesy of Randall M. German, The Pennsylvania State University Fig. 37 The sequence of operations occurring in a sintering furnace. The lower diagram shows the time-temperature profile typical of metal powder sintering. Source: Ref...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006105
EISBN: 978-1-62708-175-7
...Effect of furnace atmosphere on the electrical conductivity of high-purity copper powder compacted at 275 MPa (20 tsi) and sintered at 1000 °C (1830 °F) for 30 min at temperature Table 1 Effect of furnace atmosphere on the electrical conductivity of high-purity copper powder compacted at 275...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005502
EISBN: 978-1-62708-197-9
... designs, compaction presses, and sintering furnaces. In building toward this goal, various simulation types have been evaluated: Monte Carlo, finite difference, discrete element, finite element, fluid mechanics, continuum mechanics, neural network, and adaptive learning. Unfortunately, the input data...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006033
EISBN: 978-1-62708-175-7
.... Nevertheless, important s such as dimensional tolerances and internal cracks or other defects are outside the cost-benefit capabilities of existing simulations. Further, the very large number of materials, processes, tool materials, sintering furnaces, and process cycles makes it difficult to generalize...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005971
EISBN: 978-1-62708-168-9
..., heat-treated SPSS (single press, single sinter) FLN2-4405 are given in Table 8 . Specimens were sintered in a belt furnace at 1120 °C (2050°F) for 20 minutes in a 90-10 N 2 -H 2 atmosphere. Hardening was performed in an integral quench furnace at 870 °C (1600°F) at a 0.8% carbon potential...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006136
EISBN: 978-1-62708-175-7
... process: 1, powder rolling mill; 2, sintering furnace; 3, cold rolling; 4, annealing furnace; 5, coiling ( Ref 2 ) Fig. 4 Comparison of the conventional ingot-based process with the direct powder rolling process for titanium alloy sheet Abstract Abstract Direct powder rolling (DPR...
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
... Fig. 2 Schematic process procedure Fig. 1 Schematic drawing of a plasma carburizing furnace. Courtesy of IPSEN International Fig. 6 Surface reactions during plasma carburizing. Source: Ref 13 Fig. 7 Carbon transfer as a function of current density. Source: Ref...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006561
EISBN: 978-1-62708-290-7
... in the high-temperature vacuum. The article provides a short discussion on sintering and evaporation of metals in vacuum furnaces. References References 1. Hill R. , Vacuum Heat Treating of 3D-Printed Components , Industrial Heating , 12 Sept 2018 2. Dossett J. and Totten...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006066
EISBN: 978-1-62708-175-7
... affecting corrosion resistance as well as enhancements in sintering furnace technology, the corrosion resistance of sintered stainless steels was significantly improved. High-temperature hydrogen sintering, which has been gaining in popularity in the U.S. PM industry since the 1980s, not only makes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003113
EISBN: 978-1-62708-199-3
... of material in the various regions of the preform, but also is concerned with material flow between the regions and prevention of potential fractures and defects. Preforms may be forged directly from the sintering furnace; sintered, reheated, and forged; or sintered after the forging process. The basic...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006101
EISBN: 978-1-62708-175-7
... for the purposes of this standard. Suffix numbers represent minimum strength values in 10 3 psi; yield in the as-sintered condition and ultimate in the heat-treated condition. Mechanical property data derived from laboratory prepared test specimens sintered under commercial manufacturing conditions. Tempering...