Die soldering behavior of h13 and cr-mo-v tool steel on die casting process on nitriding-shot pinning die surface treatment

Myrna Ariati, Rizki Aldila

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Die soldering is a sticking phenomenon between molten aluminum with the surface of steel die in the die casting process, which results in damage to the cast products and l the steel die. In this research, two die materials, H13 and Cr-Mo-V steels were used. Those dies were then treated by two process variables, shot pinning and nitriding-shot pinning. To simulate the die casting process, the samples were dipped into molten Aluminum-Si alloy, ADC12 at 680℃ for 30, 300, and 1800 seconds. Characterizations were focused on the surface of the steel, which includes microstructure observation by a microscope, microhardness profile, compound identification, and weight loss measurements. It was found that H13 steel and Cr-Mo-V steel treated by nitriding–shot pinning have higher hardness up to 100% and thinner intermetallic layer. On H13 steel, the compact layer thickness decreased from 19 μm to 17 μm and from 96 μm to 80 μm for the broken layer. Similar trends occurred for Cr-Mo-V steel, where the thickness of the compact layer and broken layer decreased from 38 μm to 19 μm and 119 μm to 45 μm respectively. These results indicate that H13 and Cr-Mo-V steels that were treated by nitriding–shot pinning have a better resistance to die soldering.

Original languageEnglish
Title of host publicationAdvanced Materials Research QiR 16
EditorsAnne Zulfia, Wahyuaji Narottama Putra
PublisherTrans Tech Publications Ltd
Pages381-390
Number of pages10
ISBN (Print)9783035715996
DOIs
Publication statusPublished - 2020
Event16th International Conference on Quality in Research, QiR 2019 - Padang, Indonesia
Duration: 22 Jul 201924 Jul 2019

Publication series

NameMaterials Science Forum
Volume1000 MSF
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference16th International Conference on Quality in Research, QiR 2019
Country/TerritoryIndonesia
CityPadang
Period22/07/1924/07/19

Keywords

  • Die casting
  • Die soldering
  • Intermetallic layer
  • Nitriding
  • Shot pinning

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