1-20 of 116 Search Results for

molten metal processing

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0046911
EISBN: 978-1-62708-227-3
... along elongated ferrite bands, possibly because silicon was dissolved in the ferrite and thus made it more susceptible to attack by the molten zinc. Recommendations included rewelding the vat using the manual shielded metal arc process with at least four passes on each side. Hot dip galvanizing...
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
... oxidation, carburization, metal dusting, nitridation, carbonitridation, sulfidation, and chloridation. Several other potential degradation processes, namely hot corrosion, hydrogen interactions, molten salts, aging, molten sand, erosion-corrosion, and environmental cracking, are discussed under boiler tube...
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
... by molten zinc. Small amounts of lead embrittle nickel alloys, but molybdenum additions appear to improve lead LME resistance. There are no known metals or alloys totally immune to attack by liquid aluminum ( Ref 48 ). The selection of fabricating processes must be chosen carefully for nickel-base...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001479
EISBN: 978-1-62708-229-7
... — a process which is facilitated by the presence of a tensile stress. By penetration in this manner, especially when the grains of the steel have coarsened, a small amount of molten metal is enabled to result in rapid and severe loss of cohesion and ultimate failure in the manner seen giving fractures having...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... to determine the type of melting employed. Defective castings resulting from the choice of melting are generally not an issue. Processing the liquid metal after melting can introduce conditions that may affect quality and introduce defects and/or imperfections. Molten Metal Handling Slag removal...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... stainless steel brazeability brazed joints brazing failure analysis BRAZING comprises a group of nonfusion joining processes that produce coalescence of materials by heating them to a suitable temperature and by using a filler metal having a liquidus temperature above 450 °C (840 °F) but below...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001705
EISBN: 978-1-62708-234-1
... Abstract The working fluid of a hypersonic wind tunnel is freon 14 heated in molten-metal-bath heat exchangers. The coils of the heaters have failed several times from various causes. They have been replaced each time with a stainless steel deemed more appropriate, but they continue to fail...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001359
EISBN: 978-1-62708-215-0
... bead of metal sticking to the blade surface in each case. Scanning electron microscope revealed that the cracks initiated at the point of contact of the bead with the blade surface. Energy-dispersive X-ray analysis indicated that the bead composition was the same as that of the blade. Detailed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... to a high temperature by the contacting molten metal. This wedge of hot sand then acts as a thermal insulator, retarding solidification of the metal around it. As a result, a region is isolated from the risers by solid metal, and a shrinkage cavity forms just under the skin of the Y-junction. This cavity...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001440
EISBN: 978-1-62708-235-8
... with intergranular penetration by molten metal, as depicted in the photomicrograph Figure 2 . It will be noted that not only is there an extensive network of intergranular cracks, but that individual grains are in process of breaking away along the line of the main crack. Penetration from the exterior was evident...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... joint manufacturing process and in field-use applications. The corresponding failure mechanism and root-cause analysis are also presented; the analysis method and practical examples of soldering failures are included. Characteristics Solder is a fusible metal alloy used to create a permanent bond...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001838
EISBN: 978-1-62708-241-9
.... Fig. 1 Photograph of bent pipe section Fig. 2 Pipe bending process with high frequency inductive heating and subsequent water quench Fig. 3 Photograph of pipe section in as received condition, as affected by surface cracking Fig. 4 Closer view of Fig. 3 . Gaping...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001599
EISBN: 978-1-62708-236-5
... radioactive waste streams. 1 During the testing program, the melter was used to evaluate vitrification of various feed chemistries from across the DOE complex, processing parameters, and melter design/materials of construction such as refractory materials and drain valves. The walls of the melter chamber...
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
... revealed a rather complex crack pattern, evidence of exposure to very high temperatures, and ruptures in the overheated region. Bronze bearing metal was observed in the cracked surface region located beneath the support bearing. The bearing metal was molten when it penetrated the axle. In addition...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... bricks containing mainly zircon sand (ZrSiO 4 ) have a good wear resistance and poor wettability by molten metals at processing temperatures up to 1450 °C (2640 °F). Zircon is decomposed to zirconia and silica at 1540 °C (2800 °F). The most common zircon-zirconia bricks are the very special...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
... dimensions increased significantly, indicating that deformation of the drain tube most likely occurred during the plugging process. When the drain tube is intentionally plugged, molten glass is allowed to fill the drain tube while the lower section of the tube is cooled with air. This creates a plug of glass...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... and DED processes are similar to those of fusion welding: lack of fusion, porosity, and cracking ( Ref 9 ). The mechanisms of discontinuity formation are determined by the energy source and the processing parameters (i.e., travel speed, spot size, standoff, and power) to fuse molten metal. Parameter...
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
... at the weld toe Cracks—hot or cold, longitudinal or transverse, crater and at weld toe Gas porosity Arc strike Spatter Backing piece left on: failure to remove material placed at the root of a weld joint to support molten weld metal Subsurface features that are causes for rejection...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
.... discontinuities hot forming ingot casting metalworking defects nonferrous forging steel forging wrought metal products Introduction to Failures Related to Hot Forming Processes Wrought forms are produced by a wide variety of metalworking operations that can be roughly divided into bulk-working...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001490
EISBN: 978-1-62708-232-7
... introduced during the steelmaking process. Leakage Liquid metals Magnesium base alloys Melting pots Nonmetallic inclusions 1022 UNS G10220 1020 UNS G10200 Erosive wear (Other, general, or unspecified) processing-related failures A steel pot used to hold molten magnesium alloys leaked...