Ni–Cr matrix composites reinforced with nano- and micron-sized surface-modified zirconia: Synthesis, microstructure and mechanical properties

Fattahi, Zahra; Sajjadi, Seyed Abdolkarim; Babakhani, Abolfazl; Saba, Farhad

doi:10.1016/j.jallcom.2019.152755

Cited by 23 publications

(10 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In previous studies [18][19][20][21], it was shown that the presence of ceramic particles in materials based on nickel and chromium leads to an increase in the tensile strength and elastic modulus of 15-30% (compared to pure Ni-Cr alloys), both at room temperature and at higher temperatures (up to 900 • C). In addition, Fattahi et al [22] and Cooper et al [23] found that the presence of ceramic particles in materials based on Ni-Cr leads to an increase in their hardness of 15-40% compared to the original materials.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Metal Matrix Composites Based on CrxNiy-TiN for Additive Technology

et al. 2021

View full text Add to dashboard Cite

The novelty of this work consists of obtaining original fundamental data on the laws of synthesis of new metal matrix composite materials for additive technologies. CrN + TiNi composites were obtained using the method of self-propagating high-temperature synthesis. In this work, analysis of the parameters of the synthesis of composite materials as well as their structure and phase composition were carried out. A scheme for the formation of a composite structure is established; it is shown that the phase composition is represented by 54.6 wt.% CrN and 45.4 wt.% TiNi. It was shown that composites based on the system are suitable for machines that make use of direct laser deposition to grow layers of materials. Sample structure and phase parameters were studied. It is shown that titanium nitride particles are uniformly distributed in the CrNi intermetallic matrix, the TiN particle size ranges from 0.3 to 9 μm and the average particle size is 2.8 μm. The results obtained indicate the possibility of synthesizing promising metal matrix composite materials for additive technologies. Such materials may have increased hardness, operating temperature and strength.

show abstract

Section: Introductionmentioning

confidence: 99%

Synthesis of Metal Matrix Composites Based on CrxNiy-TiN for Additive Technology

et al. 2021

View full text Add to dashboard Cite

show abstract

“…This showed that there is a strong adhesion between the Ni-matrix and the ceramic particles of ZrO 2 . 3…”

Section: Resultsmentioning

confidence: 99%

“…2 The ability of nickel-based alloys to maintain high strength at elevated temperatures, high resistance to wear, corrosion, and fatigue; and high toughness are distinctive attributes which increase their demand in the combustion chambers of aircraft, and power generation. [3][4][5][6][7][8] Nickel-based alloys with a chromium content of 15-30% weight fractions are commonly utilized in land turbine and aircraft turbine engines where high temperatures and strong mechanical loads are encountered. This is due to their ability to maintain their strength at high-temperature, and also display good resistance to corrosion and oxidation at high-temperature.…”

Section: Introductionmentioning

confidence: 99%

“…16 In recent years, the use of zirconia particles as reinforcement has gained tremendous popularity because of its key qualities such as increased mechanical properties, high melting point, excellent chemical and heat resistance, and compatibility with living tissues. 3 Ni-ZrO 2 is a feasible alternative for metal-ceramic composites since the coefficients of thermal expansion (TE) of nickel and zirconia are close to each other. 17,18 Several studies focused on ZrO 2 reinforced composites have been reported in the literature.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Spark plasma sintering of ZrO₂ reinforced Ni-Cr alloy: Microstructure and mechanical behavior

Oketola

Jamiru

Adegbola

et al. 2022

Journal of Composite Materials

View full text Add to dashboard Cite

Ni-Cr-ZrO2 composites with varying amounts of ZrO2 additive (5 wt%, 7.5 wt%, 10 wt% and 12.5 wt%) were fabricated using spark plasma sintering method at a sintering temperature of 1000°C, heating rate of 100°C/min, holding time of 5 min, and a pressure of 50 MPa. The effect of ZrO2 addition on the microstructure, tribological and mechanical properties of the developed composites were studied. The results showed that maximum densification was attained at 10 wt% ZrO2. Further increase in the fractions of ZrO2 within the composites results in a decrease in the relative density of the sintered composite. A significant increase in hardness from 433.24 HV to 510.11 HV and elastic modulus from 252.67 GPa to 294.6 GPa was observed in the fabricated samples as the ZrO2 content increase from 5 to 12.5 wt%. An appreciable improvement in the wear performance of the sintered samples was obtained with increasing ZrO2 content. The observed improvement in the properties of the sintered composites was attributed to the presence of the hard dispersoids of ZrO2 and formation of solid solution strengthening and hard Cr3Ni2 phases within the matrix of the sintered composites.

show abstract

“…In failure analysis cases where spot analysis is critical to draw a reliable conclusion, simultaneous SEM and EDS analysis are beneficial. Secondary and backscattered electrons are used to shape a picture needed for morphological analysis, and X-rays are used to identify and quantify chemicals present in observable concentrations in a SEM/EDS framework [21][22][23][24][25][26][27]. e technique of X-ray diffraction is used to analyze crystal structures and atomic spacing.…”

Section: Introductionmentioning

confidence: 99%

Thermal Analysis of Ni-Cu Alloy Nanocomposites Processed by Sand Mold Casting

Kumaraswamy

Shetty²,

Sanman³

et al. 2022

Advances in Materials Science and Engineering

View full text Add to dashboard Cite

Ni-Cu based alloy metal matrix nanocomposites are in great demand for advanced technological applications due to their high temperature, strength, and better thermal properties. The aim is to investigate the thermal conductivity and coefficient of thermal expansion of the nickel based alloy nanocomposites reinforced with titanium dioxide (TiO2) which varies from 3 to 12 weight % nanoparticulates (45 to 60 nm). The thermal conductivity was measured using a comparative cut bar method (ASTM E1225), and thermal expansion was analyzed using a push-rod dilatometer method (ASTM E228). From experimentation, it was observed that thermal conductivity of the nanocomposites activity increases with inclusion of the nanoparticles up to 9 weight % after descent due to the temperature effects in nanocomposites, and thermal expansion of the nanocomposites decreases with addition of the nanoparticles up to 9 weight % and further rises marginally due to ductility of composites. Due to the incorporation of hard ceramic particles into the matrix, the composites’ thermal conductivity increases to 57.42 W/m ℃ , and their thermal expansion decreases to 12 × 10−6. Nickel alloys are widely used in marine, automotive, valve, pump, and aircraft applications.

show abstract

Ni–Cr matrix composites reinforced with nano- and micron-sized surface-modified zirconia: Synthesis, microstructure and mechanical properties

Cited by 23 publications

References 41 publications

Synthesis of Metal Matrix Composites Based on CrxNiy-TiN for Additive Technology

Synthesis of Metal Matrix Composites Based on CrxNiy-TiN for Additive Technology

Spark plasma sintering of ZrO₂ reinforced Ni-Cr alloy: Microstructure and mechanical behavior

Thermal Analysis of Ni-Cu Alloy Nanocomposites Processed by Sand Mold Casting

Contact Info

Product

Resources

About

Ni–Cr matrix composites reinforced with nano- and micron-sized surface-modified zirconia: Synthesis, microstructure and mechanical properties

Cited by 23 publications

References 41 publications

Synthesis of Metal Matrix Composites Based on CrxNiy-TiN for Additive Technology

Synthesis of Metal Matrix Composites Based on CrxNiy-TiN for Additive Technology

Spark plasma sintering of ZrO2 reinforced Ni-Cr alloy: Microstructure and mechanical behavior

Thermal Analysis of Ni-Cu Alloy Nanocomposites Processed by Sand Mold Casting

Contact Info

Product

Resources

About

Spark plasma sintering of ZrO₂ reinforced Ni-Cr alloy: Microstructure and mechanical behavior