Effect of Cr content on mechanical and electrical properties of Ni–Cr thin films

Danışman, Murat; Cansever, Nurhan

doi:10.1016/j.jallcom.2009.12.180

Cited by 39 publications

(21 citation statements)

References 18 publications

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“…Both the E and H f values determined for this layer (see Fig. 10) are higher than those reported recently from a study conducted by Danısman et al [29] in order to determine the chromium influence on the mechanical properties of Ni-Cr thin films produced by sputtering for this Cr/Ni ratio. These authors found that when the ratio Cr/Ni is 0.23, the hardness and Young modulus were of 5.5 GPa and 60 GPa, respectively.…”

Section: Analysis Of the Elastic Moduluscontrasting

confidence: 56%

Tribological response of AA 2024-T3 aluminium alloy coated with a DLC duplex coating

Staia

Puchi-Cabrera

Iost

et al. 2015

Tribology International

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is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. Quantitative EPMA analysis carried out on the coated sample cross-section coupled with nanoindentation techniques allowed the identification of the coated system architecture as composed of 4 main layers, with distinct mechanical properties, on top of the aluminium substrate: DLC (a:C-H chromium dopped layer and graded layer of CrC), a newly formed graded layer of CNiPCr, product of the interdifusion during PVD processing, and the NiP coating. The change in the elastic modulus with penetration depth was described by means of an original approach that was developed for its specific application to multilayer coatings.

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Section: Analysis Of the Elastic Moduluscontrasting

confidence: 56%

Tribological response of AA 2024-T3 aluminium alloy coated with a DLC duplex coating

Staia

Puchi-Cabrera

Iost

et al. 2015

Tribology International

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“…Chromium alloyed with iron and cobalt is appreciated particularly due to their high oxidation, corrosion and heat resistance, as well as the excellent creep strength at high temperatures. [2][3][4][5] Powder metallurgy (P/M) methods offer two different types of materials with the objective of achieving higher strength, hardness and wear resistance etc. Conventional P/M involves mixing the metal powders, compacting of the mixed powders into molds and then sintering of the compact powders under the different atmospheres.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Characteristics of Submicron-Structured Powder-Fabricated Cr50Ni50 Alloys <i>via</i> Different Hot-Press Sintering Pressures

Chang

Liao

Huang³

et al. 2016

Mater. Trans.

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In this study, two different compositions of submicron-structured chromium and nickel powders are mixed to fabricate Cr50Ni50 alloys by vacuum hot-press sintering. The research imposes various hot-press sintering pressures (12, 24, 36 and 48 MPa), while the temperature is maintained at 1275 C for 1 h, respectively. The experimental results show the optimum parameters of the hot-press sintered Cr50Ni50 alloys to be 1275 C at 48 MPa for 1 h. The relative density reaches 96.29%, and the hardness and electrical conductivity increase to 75.2 HRA and 2.01 × 10 4 Scm −1 , respectively. Simultaneously, the transverse rupture strength (TRS) value increases to 1109 MPa. Moreover, the Cr50Ni50 alloys dramatically acquire a more homogeneous microstructure, and the mean grain size decreases to 3.48 μm. Consequently, it is shown that hotpress sintering has a positive in uence on the sintering behavior and improves the performance of the refractory metals.

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“…Therefore, various compositions of the NiCr alloys have been widely used in the sputtering of thin films, micro-electro components, panel display boards and optical storage media materials. 4,5) Powder metallurgy (P/M) methods offer two different types of materials with the objective of achieving higher strength, hardness and wear resistance etc. Conventional sintered P/M-parts usually have more than 5% porosity.…”

Section: Introductionmentioning

confidence: 99%

Improvement of Mechanical and Electrical Properties on the Sintered Ni–50 mass% Cr Alloys by HIP Treatment

Chang

Chen

Huang³

et al. 2013

Mater. Trans.

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This study investigated Ni50 mass% Cr alloys produced by the vacuum sintering and hot isostatic pressing (HIP) of powder metallurgy technology. The experimental results showed that the relative density of Ni50 mass% Cr alloys reached 98.67%, the apparent porosity decreased to 1.33%, transverse rupture strength (TRS) increased to 454.29 MPa and electrical resistivity decreased to 4.284 © 10 ¹4 ³·cm after 1345°C sintering for 1 h. Meanwhile, laminar eutectic precipitations appeared in the sintered Ni50 mass% Cr alloys. In addition, the relative density increased to 99.73%, the apparent porosity decreases to 0.27% and TRS was obviously enhanced to 1181.4 MPa after 1260°C 175 MPa 4 h HIP treatment. Moreover, the electrical resistivity decreased to 3.346 © 10 ¹4 ³·cm after the optimal HIP treatment. This study showed that the HIP process is effective in eliminating internal pores and improving the mechanical and electrical properties of the sintered Ni50 mass% Cr alloys, thus obtaining the high density and optimum properties of the sintered materials.

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Effect of Cr content on mechanical and electrical properties of Ni–Cr thin films

Cited by 39 publications

References 18 publications

Tribological response of AA 2024-T3 aluminium alloy coated with a DLC duplex coating

Tribological response of AA 2024-T3 aluminium alloy coated with a DLC duplex coating

Investigation of the Characteristics of Submicron-Structured Powder-Fabricated Cr50Ni50 Alloys <i>via</i> Different Hot-Press Sintering Pressures

Improvement of Mechanical and Electrical Properties on the Sintered Ni–50 mass% Cr Alloys by HIP Treatment

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Effect of Cr content on mechanical and electrical properties of Ni–Cr thin films

Cited by 39 publications

References 18 publications

Tribological response of AA 2024-T3 aluminium alloy coated with a DLC duplex coating

Tribological response of AA 2024-T3 aluminium alloy coated with a DLC duplex coating

Investigation of the Characteristics of Submicron-Structured Powder-Fabricated Cr50Ni50 Alloys <i>via</i> Different Hot-Press Sintering Pressures

Improvement of Mechanical and Electrical Properties on the Sintered Ni&ndash;50 mass% Cr Alloys by HIP Treatment

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Improvement of Mechanical and Electrical Properties on the Sintered Ni–50 mass% Cr Alloys by HIP Treatment