Nanoparticles Reinforcement for the Improved Strength and High-Temperature Wear Resistance of Mn-Cr Steel

Kračun, Ana; Jenko, Darja; Godec, Matjaž; Savilov, S. V.; Prieto, Germán; Tuckart, Walter Roberto; Podgornik, Bojan

doi:10.1007/s11661-018-4833-7

Cited by 7 publications

(2 citation statements)

References 41 publications

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“…Thus, the strength of Mn-Cr steel was improved by nano-Al 2 O 3 . In addition, the investigation shows that the combination of CNTs and oxide nanoparticles enables CNTs to be evenly distributed in the oxide matrix, which is conductive to the tribological properties at high temperature [79] . Heat treatment process also plays an important role in the microstructure and properties of steel by influencing the dissolution and precipitation process of the solute.…”

Section: In-situ Reaction Methodsmentioning

confidence: 99%

Application of nanoparticles in cast steel: An overview

et al. 2020

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The innovative and environmentally friendly methodologies for comprehensively enhancing the performances of high-strength steels without damage to plasticity, toughness and heat/corrosion/fatigue resistance are being developed. In recent years, nanoparticles elevate the field of high-strength steel. It is proposed that nanoparticles have the potential to replace conventional semi-coherent intermetallic compounds, carbides and alloying to optimize the steel. The fabrication process is simplified and the cost is lower compared with the traditional methods. Considerable research effort has been directed towards high-performance cast steels reinforced with nanoparticles due to potential application in major engineering. Nanoparticles are found to be capable of notably optimizing the nucleation behavior and precipitate process. The prominently optimized microstructure configuration and performances of cast steel can be acquired synchronously. In this review, the lattice matching and valence electron criterion between diverse nanoparticles and steel are summarized, and the existing various preparation methods are compared and analyzed. At present, there are four main methods to introduce nanoparticles into steel: external nanoparticle method, internal nanoparticle method, in-situ reaction method, and additive manufacturing method. These four methods have their own advantages and limitations, respectively. In this review, the synthesis, selection principle and strengthening mechanism of nanoparticles in cast steels for the above four methods are discussed in detail. Moreover, the main preparation methods and microstructure manipulation mechanism of the steel reinforced with different nanoparticles have been systematically expatiated. Finally, the development and future potential research directions of the application of nanoparticles in cast steel are prospected.

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Section: In-situ Reaction Methodsmentioning

confidence: 99%

Application of nanoparticles in cast steel: An overview

et al. 2020

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“…The in situ synthesized ceramic particles have no pollution on the steel surface and have good wettability with the matrix [ 137 ]. Corresponding solutions to various problems of ceramic particles have been developed in recent decades [ 138 , 139 , 140 ]. However, there is still a lack of an innovative processes that can solve all problems simultaneously.…”

Section: Nanoparticle Reinforcementsmentioning

confidence: 99%

Development Trend in Composition Optimization, Microstructure Manipulation, and Strengthening Methods of Die Steels under Lightweight and Integrated Die Casting

Bao,

Yang,

Dong

et al. 2023

Materials

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In the general environment of lightweight automobiles, the integrated die-casting technology proposed by Tesla has become the general mode to better achieve weight reduction in automobiles. The die-casting mold required by integrated die-casting technology has the characteristics of large scale and complexity. Hence, higher requirements are put forward for the comprehensive performance of the die steel. Despite the stagnation in the progress of conventional strengthening methods, enhancing the performance of die steel has become increasingly challenging. Indeed, it necessitates exploring novel die steel and optimizing heat treatment and reinforcement technologies. This article summarizes and analyzes the development status of die steel and corresponding heat treatment and microstructure manipulation as well as strengthening methods and elaborates on an excellent nano-strengthening technology. Furthermore, this review will aid researchers in establishing a comprehensive understanding of the development status of die steel and the processes utilized for its strengthening. It will also assist them in developing die steel with improved comprehensive performance to meet the high demand for mold steel in the integrated die-casting technology of the new era.

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