Mechanical characterization of MgB2 thin films using nanoindentation technique

Ozmetin, A.E.; Şahin, O.; Ongun, Erhan; Kuru, Mehmet

doi:10.1016/j.jallcom.2014.09.015

Cited by 31 publications

(16 citation statements)

References 28 publications

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“…4 show a non-linear behaviour of nanohardness values up to a certain value of test load, after which the nanohardness tends to achieve saturation. This type of behaviour called indentation size effect [7,9,16] for the AZ63-0.5CaO sample and for the other samples it is called reverse indentation size effect [8,11]. The existence of the RISE or ISE makes it difficult to report hardness value measured at a single load level for material characterization.…”

Section: Resultsmentioning

confidence: 99%

“…Nanoindentation has been widely used for characterization of the nanomechanical properties of nanomaterials [6], and thin films [7,8], because of its high sensitivity and the excellent resolution for obtaining the nanohardness, elastic modulus and the elastic/plastic deformation behaviour parameters in a relatively easy fashion. If the nanohardness values decrease with the increase of applied indentation test load, such phenomenon is known as indentation size effect (ISE) [7,9,10].…”

Section: Introductionmentioning

confidence: 99%

“…If the nanohardness values decrease with the increase of applied indentation test load, such phenomenon is known as indentation size effect (ISE) [7,9,10]. On the other hand, the reverse indentation size effect (RISE) means * corresponding author; e-mail: sduosman@gmail.com that micro/nanohardness value increases with increasing applied indentation load [8,11].…”

Section: Introductionmentioning

confidence: 99%

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Influence of CaO on the Nanohardness Behaviour of AZ63 Magnesium Alloys Produced by Mechanical Alloying Method

2016

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In this study we aimed to produce AZ63 magnesium alloys containing different amounts of CaO, to investigate the nanohardness behaviour of the resulting alloys. These alloys were produced by mechanical alloying under argon atmosphere. Magnesium based alloys with the initial CaO content of 0.1%, 0.3%, and 0.5% were produced by highenergy ball milling, followed by process that involved cold pressing and sintering. These alloys were characterized using scanning electron microscopy, scanning probe microscopy, X-ray diffraction, and nanoindentation methods. Unloading segments of nanoindentation curves were analyzed using Oliver-Pharr method. Experimental results show that measured nanohardness exhibits a peak load dependence. As a result, in these alloys the microstructure and nanohardness depend on the content of CaO.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influence of CaO on the Nanohardness Behaviour of AZ63 Magnesium Alloys Produced by Mechanical Alloying Method

2016

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“…If the hardness values decrease with the increasing indentation test load, this behavior is called indentation size effect. Conversely, if the hardness increases, this behavior is called reverse indentation size effect [11][12][13].…”

Section: Preferential Orientations Are (110) (101) and (103)mentioning

confidence: 99%

“…Nanoindentation has been widely used for characterization of the nanomechanical properties of nanomaterials [6,7], and thin films [8][9][10], because of its high sensitivity and the excellent resolution for obtaining the nanohardness, elastic modulus and the elastic/plastic deformation behaviour in a relatively easy fashion [11].…”

Section: Introductionmentioning

confidence: 99%

Influence of Rare Earth Element on the Mechanical Properties of ZE41 Magnesium Alloys Produced by Mechanical Alloying

et al. 2016

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In this work, we have intended to synthesize ZE41 Magnesium alloys having varying content of Ce of 0.3, 0.6 and 0.9 wt.% and to investigate mechanical properties of these alloys. Alloys were produced by mechanical alloying under argon atmosphere. Structural, and mechanical properties of these alloys were investigated by means of XRD, SEM and nanoindenter analysis. From the XRD data it is found that as the Ce content increases, the crystallite size also increases. On the other hand, the hardness of the alloys decreases with the increasing Ce content. Indentation results show that the measured hardness displays a peak load dependence. Load-independent hardness was calculated by Hays-Kendall approach. As a results, it was found that Ce-doping modifies the microstructure and hardness of the alloy.

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Mechanical Properties of Superconducting Materials

Hannachi

Slimani

2022

Superconducting Materials

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Mechanical characterization of MgB2 thin films using nanoindentation technique

Cited by 31 publications

References 28 publications

Influence of CaO on the Nanohardness Behaviour of AZ63 Magnesium Alloys Produced by Mechanical Alloying Method

Influence of CaO on the Nanohardness Behaviour of AZ63 Magnesium Alloys Produced by Mechanical Alloying Method

Influence of Rare Earth Element on the Mechanical Properties of ZE41 Magnesium Alloys Produced by Mechanical Alloying

Mechanical Properties of Superconducting Materials

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