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furnace brazing

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046956
EISBN: 978-1-62708-232-7
...Abstract Abstract A brazing-furnace muffle 34 cm (13 in.) wide, 26 cm (10 in.) high, and 198 cm (78 in.) long, was fabricated from nickel-base high-temperature alloy sheet and installed in a gas-fired furnace used for copper brazing of various assemblies. The operating temperature of the muffle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001239
EISBN: 978-1-62708-232-7
.... Transverse section. Etch: V2A pickle. 75× Abstract Abstract A coil made of a nickel-chromium alloy (Material No. 2.4869) with approx. 80Ni and 20Cr had burned through after a brief period of operation as a heating element in a brazing furnace. The protective atmosphere consisted of an incompletely...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... on SAE 4340 Steel in the Presence of Stress Concentrations at Elevated Temperatures ,” WADC TR 58-108, ASTIA 151075 , 1958 16. Breyer N.N. , Some Effects of Certain Trace Elements on the Properties of High Strength Steels . Proc. 31st Electric Furnace Conf., 1974 17. Le May...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... ). Heat treating furnaces and accessories for heat treating powder metal products are typically exposed to N 2 or N 2 -H 2 atmospheres at elevated temperatures (∼1090 °C, or 2000 °F). Both stainless steel and nickel-base alloys may suffer from severe nitridation attack, resulting in loss of creep...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... as solution annealed and martensitic as aged (17-7 PH, AM-350, AM-355, and PH15-7Mo). Consequently, although it never was clearly established whether temperature variations inside the solution-treating furnace or minor variations in composition were responsible for the observed variability in properties...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... established whether temperature variations inside the solution-treating furnace or minor variations in composition were responsible for the observed variability in properties of the 17-7 PH Belleville washers, all sublots attained the required strength when the solution-treating temperature was lowered to 870...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... and nondestructive inspection of welds is also described in Welding, Brazing, and Soldering , Volume 6 of ASM Handbook. Service failures of welds, similar to those of any other structural component, depend on the operating environment and the nature of the applied load and may include failures from...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... than found in contact with NH 3 at high temperatures (980 to 1090 °C, or 1800 to 2000 °F) ( Ref 21 ). Nitriding furnaces and accessories for heat treating powder metal products are typically exposed to N 2 or N 2 -H 2 atmospheres at elevated temperatures (~1090 °C, or 2000 °F). Both stainless steel...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
.... , The Diffusion of Liquid Bismuth Along Grain Boundaries in Copper , Z. Naturforsch , Vol 4a , 1949 , p 524 – 526 22. Genders R. , The Penetration of Mild Steel by Brazing Solder and Other Metals , J. Inst. Met. , Vol 37 , 1927 , p 215 – 221 23. Schottky H. et al. , The Red...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... low-carbon steel is made in a furnace normally used to make high-alloy steels. The refractory lining of the furnace may impart sufficient residual chromium and other alloying elements to a heat of low-carbon steel that problems occur when components made from that heat are joined using standard...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... show a coarse zone at the surface, consisting of coarse plate martensite and retained austenite. The carbon content at the surface was 0.79%, while the interior was 0.53%. The die had been lightly carburized to a depth of approximately 0.5 mm (0.020 in.) due to improper furnace atmosphere control...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... damage Electric-arc strikes Cracks produced by incorrect heat treatment, such as quench cracks Cracks, undercuts, and poor weld bead geometry from deficiencies in welding Inclusions Interfaces in layer-type bonded materials (applied by cladding, rolling, electroplating, spraying, brazing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... of a prepared specimen of Ti-6%Al-2%Sn-4%Zr-2%Mo. The specimen was not etched. Fig. 14 Light micrographs depicting (a) excessive and (b) low relief around voids in a braze between an austenitic stainless steel and Monel. The specimen was etched with glyceregia. Fig. 15 Light micrograph...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... is relatively large. Rivets, bolts, and other fasteners should be of a more noble metal than the material to be fastened. Dissimilar-metal crevices, such as at threaded connections, are to be avoided if possible. Crevices should be sealed, preferably by welding or brazing, although putties or nonmetallic...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
..., are to be avoided, if possible. Crevices should be sealed, preferably by welding or brazing, although putties are sometimes used effectively. Replaceable sections of the more active member should be used at joints, or the corrosion allowance of this section should be increased, or both. Effective insulation can...