Correlation between ultrasonic velocity and indentation-based mechanical properties with microstructure in Nimonic 263

Murthy, G V S; Ghosh, Sudipta; Das, Mitun; Das, Goutam; Ghosh, Rabindra

doi:10.1016/j.msea.2007.11.017

Cited by 39 publications

(26 citation statements)

References 14 publications

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“…The relationship between ultrasonic and mechanical properties has been studied for various materials, including tempered CA-15 martensitic stainless steel [Hsu et al 2004], SiC ceramics [ASTM E664-93 2000], and Nimonic alloys [Murthy et al 2008;. A few studies have also been conducted on the dependency of ultrasonic wave velocity and microstructure of materials.…”

Section: Introductionmentioning

confidence: 99%

Measurement of elastic properties of AISI 52100 alloy steel by ultrasonic nondestructive methods

Hamidnia

Honarvar

2012

J. Mech. Mater. Struct.

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In certain applications, it is important to measure the mechanical properties of steel with high accuracy. These measurements are usually performed by destructive processes, in which the test sample is destroyed. Destructive techniques cannot detect the minuscule changes made in the mechanical properties of steel during heat treatment processes. Ultrasonic nondestructive testing is an alternative method that can be used for measuring the mechanical properties of steel more precisely. In this paper, the ultrasonic method is used for measuring the elastic properties of AISI 52100 steel samples which are heat treated at different levels. Each sample has its specific microstructure and hardness due to the heat treatment process it has gone through. The elastic properties of each sample are obtained by measuring the velocities of longitudinal and shear waves in each sample. Comparison of the results obtained from ultrasonic measurements with those available in reference tables shows that the ultrasonic technique can measure the elastic properties of AISI 52100 samples with high accuracy. The ultrasonic technique also shows that it can identify the tempered martensite embrittlement zone in AISI 52100 samples.

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Section: Introductionmentioning

confidence: 99%

Measurement of elastic properties of AISI 52100 alloy steel by ultrasonic nondestructive methods

Hamidnia

Honarvar

2012

J. Mech. Mater. Struct.

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“…2000], and Nimonic alloys [Murthy et al 2008;. A few studies have also been conducted on the dependency of ultrasonic wave velocity and microstructure of materials.…”

Section: ] Sic Ceramics [Astm E664-93mentioning

confidence: 99%

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2012

J. Mech. Mater. Struct.

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Most theoretical studies of mechanical indention, going back to Boussinesq, Hertz, and later Sneddon, address the relations between indenter pressure, indention size, and stress components. However, the relationship between indention and residual stress is also interesting. Here we use the Dorris and NematNasser method to derive a relation between the indention and the residual stress components for an axisymmetric load.

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“…In various kinds of NDE means such as vibration techniques [16,17] and ultrasonic methods, the velocity measurement of longitudinal and shear waves have been widely used to evaluate the elastic constants of solids such as Poisson's ratio , Young's modulus , and shear modulus  [9,12,[18][19][20].…”

Section: Introductionmentioning

confidence: 99%

“…What is more important is the correlations between ultrasonic velocities and material damages since the mechanical properties are affected by degradations [18,19]. Thus, the ultrasonic techniques for obtaining elastic For the ultrasonic velocity measurement to obtain elastic constants, ultrasonic pulse-echo method has been extensively utilized since it is not only simple but also effective particularly when only one side of the inspected object is accessible [2,3,7,8,[13][14][15]18].…”

Section: Introductionmentioning

confidence: 99%

Measurement of Elastic Constants by Simultaneously Sensing Longitudinal and Shear Waves as an Overlapped Signal

Seo¹,

Song²,

Jhang³

2016

Journal of the Korean Society for Nondestructive Testing

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Measurement of elastic constants is crucial for engineering aspects of predicting the behavior of materials under load as well as structural health monitoring of material degradation. Ultrasonic velocity measurement for material properties has been broadly used as a nondestructive evaluation method for material characterization. In particular, pulse-echo method has been extensively utilized as it is not only simple but also effective when only one side of the inspected objects is accessible. However, the conventional technique in this approach measures longitudinal and shear waves individually to obtain their velocities. This produces a set of two data for each measurement. This paper proposes a simultaneous sensing system of longitudinal waves and shear waves for elastic constant measurement. The proposed system senses both these waves simultaneously as a single overlapped signal, which is then analyzed to calculate both the ultrasonic velocities for obtaining elastic constants. Therefore, this system requires just half the number of data to obtain elastic constants compared to the conventional individual measurement. The results of the proposed simultaneous measurement had smaller standard deviations than those in the individual measurement. These results validate that the proposed approach improves the efficiency and reliability of ultrasonic elastic constant measurement by reducing the complexity of the measurement system, its operating procedures, and the number of data.

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Correlation between ultrasonic velocity and indentation-based mechanical properties with microstructure in Nimonic 263

Cited by 39 publications

References 14 publications

Measurement of elastic properties of AISI 52100 alloy steel by ultrasonic nondestructive methods

Measurement of elastic properties of AISI 52100 alloy steel by ultrasonic nondestructive methods

Untitled

Measurement of Elastic Constants by Simultaneously Sensing Longitudinal and Shear Waves as an Overlapped Signal

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