Effect of Sintering Conditions on Properties of Assisted Pressure Sintered Tungsten Materials

Huiseong Hong; Sangpill Lee; Kenjiro Sugio; Gen Sasaki

doi:10.4028/p-7pHzjQ

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HomeMaterials Science ForumMaterials Science Forum Vol. 1153Effect of Sintering Conditions on Properties of...

Effect of Sintering Conditions on Properties of Assisted Pressure Sintered Tungsten Materials

Abstract:

This study investigates the mechanical properties and microstructure of sintered tungsten under varying sintering conditions. Bending strength tests revealed that sintering at 1400 °C resulted in low flexural strength due to inadequate temperature, whereas sintered tungsten at 1500 °C exhibited improved strength attributed to grain growth. However, temperatures exceeding 1600 °C led to excessive grain growth and a subsequent decline in strength, indicative of grain coarsening and potential localized bonding. Additionally, analysis of holding times at 1500 °C demonstrated that extended durations promoted neck bonding between grains, contributing to the formation of interconnected grains and enhanced mechanical properties. This study underscores the importance of optimizing sintering parameters to control grain growth and achieve desired mechanical properties in sintered tungsten materials.

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Periodical:

Materials Science Forum (Volume 1153)

Pages:

89-94

DOI:

https://doi.org/10.4028/p-7pHzjQ

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Online since:

June 2025

Authors:

Huiseong Hong*, Sangpill Lee, Kenjiro Sugio, Gen Sasaki

Keywords:

Grain Coarsening, Grain Refinement, Holding Time, Mechanical Property, Sintering Temperature, Tungsten

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* - Corresponding Author

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