Development of Zirconia Toughend Nanocomposites Using the Technique of Spark Plasma Sintering: Role of Reinforcement

Meena, K. L.; Mozammil, Shaik; Srivatsan, T. S.

doi:10.1007/978-3-030-92567-3_12

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Impact Of Input Factors On Microhardness1

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2023

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“…However, the composite's microhardness appeared to decrease at 600 °C. Increased grain size during processing at high temperatures clarifes the results [38]. A higher sintering pressure of 55 MPa or more causes plastic deformation, which causes the grains to shrink and the microhardness to rise.…”

Section: Impact Of Input Factors On Microhardnessmentioning

confidence: 87%

Optimizing the Parameters of Spark Plasma Sintering to Enhance the Hardness of MgO/TiC Composites

Karanam

Rathinam²,

Mouria

et al. 2023

Advances in Materials Science and Engineering

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In this research, the first work was carried out to manufacture MgO-based metal matrix composite containing 3 wt%. Sintering parameters, such as temperature, pressure, and time were subjected to Taguchi analysis to identify the most significant effect on magnesium oxide physical and mechanical characteristics. The impact of each sintering parameter explores using the analysis of variance-structure and microstructure analysis using XRD and EDS-equipped FE-SEM. The mechanical properties of the composite are evaluated by testing its Rockwell hardness (HR) and Vickers hardness (HV). The results showed that sintering temperature was the most influential of the sintering factors on microhardness. Densification at its peak was 100%, while it peaked at 62.19 Rockwell hardness and 58.7 Vickers hardness.

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Section: Impact Of Input Factors On Microhardnessmentioning

confidence: 87%