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H13

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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001120
EISBN: 978-1-62708-214-3
... Abstract A segment from a premium-quality H13 tool steel die for die casting of aluminum failed after only 700 shots. The segment was subjected to visual, macroscopic, hardness, and metallographic testing. The investigation revealed that failure occurred as a result of fatigue at an electrical...
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Published: 01 January 2002
Fig. 23 Disk cutter, comprised of H13 tool steel, showing material fracture at edge of contact surface More
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Published: 01 January 2002
Fig. 25 Micrograph showing the edge of the contact face in an H13 disk. Mushrooming is occurring due to contact pressures and resulting metal flow. Cracks resulting from fatigue or fracture at localized shear bands are leading to material removal More
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Published: 01 January 2002
Fig. 12 Light micrograph of an ion-nitrided H13 tool steel specimen mounted in epoxy thermosetting resin (Epomet). The arrows point to a white-etching iron nitride layer at the surface that probably would not have been observed if the specimen was nickel plated for edge protection. Specimen More
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Published: 01 January 2002
Fig. 28 Erosion damage and misaligned bore of the AISI H13 tool steel zinc die casting nozzle shown in Fig. 27 after longitudinal splitting. Actual size More
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Published: 01 January 2002
Fig. 44 Two shear knives made from AISI H13 tool steel. The knives were used to grip hot-rolled bars after rolling so that they could be separated. The knives failed by spalling of the gripping edge after normal service life. More
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Published: 01 January 2002
Fig. 47 AISI H13 mandrel used to pierce and extrude brass that failed after 298 pushes, about 30% of its expected life. The disk shown below, cut from the mandrel, was macroetched (10% aqueous nitric acid), revealing a heavily decarburized surface. The decarburization occurred during service. More
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Published: 01 January 2002
Fig. 50(b) Erosion damage and misaligned bore of the AISI H13 tool steel zinc die-casting nozzle shown in Fig. 50(a) after longitudinal splitting. Actual size More
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Published: 15 January 2021
Fig. 23 Disk cutter, comprised of H13 tool steel, showing material fracture at edge of contact surface More
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Published: 15 January 2021
Fig. 25 Micrograph showing the edge of the contact face in an H13 disk. Mushrooming is occurring due to contact pressures and resulting metal flow. Cracks resulting from fatigue or fracture at localized shear bands are leading to material removal. More
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Published: 15 January 2021
Fig. 4 Light micrograph of an ion-nitrided H13 tool steel specimen mounted in epoxy thermosetting resin. The arrows point to a white-etching iron nitride layer at the surface that probably would not have been observed if the specimen was nickel plated for edge protection. Specimen etched More
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Published: 30 August 2021
Fig. 44 Two shear knives made from AISI H13 tool steel. The knives were used to grip hot rolled bars after rolling so that they could be separated. The knives failed by spalling of the gripping edge after normal service life. More
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Published: 30 August 2021
Fig. 47 AISI H13 mandrel used to pierce and extrude brass that failed after 298 pushes, approximately 30% of its expected life. The disk, cut from the mandrel, was macroetched (10% aqueous nitric acid), revealing a heavily decarburized surface. The decarburization occurred during service. More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... Abstract Several failed dies were analyzed and the results were used to evaluate fatigue damage models that have been developed to predict die life and aid in design and process optimization. The dies used in the investigation were made of H13 steels and fractured during the hot extrusion of Al...
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Published: 01 January 2002
Fig. 27 Erosion damage from the bore to just below the outside-diameter surface of an AISI H13 nozzle from a zinc die casting die. Actual size More
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Published: 01 January 2002
Fig. 50(a) Erosion damage from the bore to just below the outside-diameter surface of an AISI H13 nozzle from a zinc die-casting die. Actual size More
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Published: 01 January 2002
Fig. 20 Light micrograph illustrating “comet tails” emanating from hard nitrides on the surface of a prepared specimen of H13 tool steel. The specimen is unetched and viewed with Nomarski DIC. More
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Published: 15 January 2021
Fig. 12 Light micrograph illustrating “comet tails” emanating from hard nitrides on the surface of a prepared specimen of H13 tool steel. The specimen is unetched and viewed with Nomarski differential interference contrast. More
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Published: 15 January 2021
Fig. 7 Good edge retention obtained in a cast epoxy mount containing soft ceramic shot filler (round particles in the epoxy at the top.) The specimen is annealed H13 hot work die steel etched with picral. More
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Published: 01 January 2002
Fig. 15 Good edge retention obtained in a cast epoxy mount containing soft ceramic shot filler. (Note the round particles in the epoxy at the top.) The specimen is annealed H13 hot work die steel, and it was etched with picral. More