Relevant bibliographies by topics / Miniature CT specimen

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Miniature CT specimen'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Miniature CT specimen"

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Ibeh, Christopher, Matteo Pedrotti, Alessandro Tarantino, and Rebecca Lunn. "An X-ray CT study of miniature clay sample preparation techniques." E3S Web of Conferences 92 (2019): 01004. http://dx.doi.org/10.1051/e3sconf/20199201004.

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The quality and reliability of cohesive soil laboratory test data can be significantlyaffected by sample disturbance during sampling or sample preparation. Sample disturbance may affect key design and modelling parameters such as stiffness, preconsolidation stress, compressibility and undrained shear strength, and ultimately determine particle mobilization and shear plane development. The use of X-ray computed tomography (X-CT) in the study of soil is restricted by the inverse relationship of specimen size and obtainable image resolution. This has led to the testing of miniature specimen sizes
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Gui, Le Le, Tong Xu, Bin An Shou, Han Kui Wang, and Jing Xiang. "Estimation of Fracture Toughness JIC by Miniature Specimen Hydraulic Bulge Test." Materials Science Forum 898 (June 2017): 753–57. http://dx.doi.org/10.4028/www.scientific.net/msf.898.753.

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The fracture toughness tests and a new miniature specimen technology named hydraulic bulge test (HBT) of 3Cr1Mo1/4V at four service time were carried out. Four J-R resistance curves by single-specimen method with one inch CT specimens were obtained to compute the JIC. Different definitions of equivalent fracture strain according to the section morphologies of HBT testing specimens were compared, and fracture energy of miniature specimens with three different thicknesses (0.4mm, 0.5mm and 0.6mm) were also calculated. Results showed that the typical HBT load-deflection curve can be divided into
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Jaske, Carl E., and R. Viswanathan. "Use of Miniature Specimens for Creep-Crack-Growth Testing." Journal of Engineering Materials and Technology 122, no. 3 (2000): 327–32. http://dx.doi.org/10.1115/1.482814.

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Measuring the condition of high-temperature components after many years of service is an important part of remaining life assessment. Tests of miniature specimens have been utilized for this purpose because they require that only small samples be removed from the components, which minimizes or eliminates the need for costly repairs. Miniature-specimen techniques have been developed and validated for creep-rupture testing but not for creep-crack-growth testing. The objective of this research was to develop and validate a procedure for measuring creep-crack-growth behavior using miniature specim
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Jose, Nevil Martin, J. Chattopadhyay, P. V. Durgaprasad, and N. Naveen Kumar. "Master Curve of 20MnMoNi55 Steel From Miniature CT Specimens." Procedia Structural Integrity 14 (2019): 403–9. http://dx.doi.org/10.1016/j.prostr.2019.05.049.

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Okazaki, M., M. Muzvidziwa, and S. Hirano. "Local Fatigue Crack Propagation Resistance Relevant To Microstructure Uniquely Developed In A Friction Stirred Ti-6Al-4V Alloy Joint." MATEC Web of Conferences 321 (2020): 11054. http://dx.doi.org/10.1051/matecconf/202032111054.

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The local resistance to fatigue crack propagation (FCP) in a friction stir welded (FSWed) Ti-6Al-4V alloy joint was investigated, by extracting the miniature CT specimens. Special attention was paid to the role of specific microstructures developed accompanying with a transformation induced lamellar structure (TILS) during the stirring process. Experimental works indicated that the FCP rates were higher in the stirred zone, especially in the coarse TILS zone which consisted of the prior non-transformed duplex structure and the beta-transformed coarse structure, compared with those in the base
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Tobita, Tohru, Yutaka Nishiyama, Takuyo Ohtsu, Makoto Udagawa, Jinya Katsuyama, and Kunio Onizawa. "Fracture Toughness Evaluation of Reactor Pressure Vessel Steels by Master Curve Method Using Miniature Compact Tension Specimens." Journal of Pressure Vessel Technology 137, no. 5 (2015). http://dx.doi.org/10.1115/1.4029428.

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We conducted fracture toughness testing on five types of commercially manufactured steel with different ductile-to-brittle transition temperatures. This was performed using specimens of different sizes and shapes, including the precracked Charpy-type (PCCv), 0.4T-CT, 1T-CT, and miniature compact tension specimens (0.16T-CT). Our objective was to investigate the applicability of 0.16T-CT specimens to fracture toughness evaluation by the master curve method for reactor pressure vessel (RPV) steels. The reference temperature (To) values determined from the 0.16T-CT specimens were overall in good
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Dissertations / Theses on the topic "Miniature CT specimen"

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Lokvenc, Martin. "Testování lomové houževnatosti za vysokých teplot s využitím miniaturních CT těles." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231784.

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This thesis deals with a high temperature testing of fracture toughness and studies the size effect on measured values using miniature size CT specimen. Two types of specimen geometry were manufactured from P91 steel, the standard size and the quarter size specimen. J-R curves were obtained in the temperature range from 23°C to 600°C. No specimen size effect was observed at room temperature tests. The realized experiments together with fractography analysis demonstrated the drop of toughness at 400°C caused by the effect of dynamic strain aging.
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Holas, Jiří. "Testování lomové houževnatosti za vysokých teplot s využitím miniaturních CT těles." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231783.

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This master´s thesis deals with the evaluation of fracture behavior of ODS steel MA956 at high temperature range. This behavior was tested by using miniaturized CT specimens, on which were performed experiments to measure of ductile crack growth resistance curves (J-R curves). The value of the fracture toughness was determined from these J-R curves. Fracture properties were consequently evaluated by using fractographic analysis of the fracture surfaces. Structural properties of material was identified by hardness measurement and analyzed by metallographic methods. Results of the measurements s
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Book chapters on the topic "Miniature CT specimen"

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Valo, Matti J., Tapio K. Planman, and Kim R. Wallin. "Rotation Point and KJC Estimations for Miniature CT-Specimens Based on Off-Load Line Displacement." In Small Specimen Test Techniques: 6th Volume. ASTM International, 2015. http://dx.doi.org/10.1520/stp157620140010.

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Sakaguchi, Motoki, Takeshi Tsuru, and Masakazu Okazaki. "Fatigue Crack Propagation in Thin-Wall Superalloys Component; Experimental Investigation via Miniature CT Specimen." In Superalloys 2012. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118516430.ch47.

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Conference papers on the topic "Miniature CT specimen"

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Chaouadi, Rachid, Marlies Lambrecht, and Robert Gérard. "Crack Resistance Curve Measurement With Miniaturized CT Specimen." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84690.

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The use of miniature compact tension (mini-CT) specimens for fracture mechanics was experimentally demonstrated to allow the characterization of ferritic steels in the transition regime. In particular, the master curve transition temperature T0 can confidently be determined according to the ASTM E1921 standard using mini-CT specimens. This means that specimen size effect is well taken into account if loss of constraint is limited by restricting the test temperature range to remain below the allowed maximum loading level. In the upper shelf ductile regime, where stable crack growth occurs, a nu
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Sakaguchi, M., T. Tsuru, and M. Okazaki. "Fatigue Crack Propagation in Thin-wall Superalloys Component; Experimental Investigation via Miniature CT Specimen." In Superalloys. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.7449/2012/superalloys_2012_431_437.

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Yamamoto, Masato, Akihiko Kimura, Kunio Onizawa, et al. "A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: First Round Robin Test on Uniform Specimens of Reactor Pressure Vessel Material." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78661.

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Reference temperature evaluation method by Master Curve approach for the fracture toughness evaluation had been standardized recently in Japan, and expected to be a powerful tool to ensure the reliability of long term used RPV steels. In order to get sufficient number of data for the Master curve approach coexistent with the present surveillance program for RPVs, the utilization of miniature specimens, which can be taken from broken halves of surveillance Charpy specimens, is important. CRIEPI had developed the test technique for the miniature C(T) specimens (Mini-CT), whose dimensions are 4 ×
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Yamamoto, Masato, Akihiko Kimura, Kunio Onizawa, et al. "A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: 3rd Report — Comparison of T0 Under Various Selections of Temperature Conditions." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28898.

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The Master Curve approach for the fracture toughness evaluation is expected to be a powerful tool to ensure the reliability of long-term used RPV steels. In order to get sufficient number of data for the Master Curve approach coexistent with the present surveillance program for RPVs, the utilization of miniature specimens, which can be taken from broken halves of surveillance Charpy specimens, is important. CRIEPI developed the test technique for the miniature C(T) specimens (Mini-CT), whose dimensions are 4 × 10 × 10 mm, and verified the basic applicability of Master Curve approach by means o
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Marimuthu, Ganesan S., Per Thomas Moe, Junyan Liu, and Bjarne Salberg. "Mechanical Integrity Modeling of Forge Welded Pipes for Offshore Applications." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83940.

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In this paper, we discuss how through-process multi-scale models can be designed and combined with properly constructed experiments in order to assess the mechanical integrity of forge welded connectors. Shielded Active Gas Forge Welding (SAG-FW) is a fully automatic solid state method for joining steel pipes and other metallic articles. After heating, welding occurs almost instantaneously when the mating surfaces of the metallic parts are brought into intimate contact at high temperature and co-deformed. The result is a metallic bond with properties similar to those of the base material. If m
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Yamamoto, Masato, Kunio Onizawa, Kentaro Yoshimoto, Takuya Ogawa, Yasuhiro Mabuchi, and Naoki Miura. "A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens — 2nd Report: Fracture Toughness Comparison in Specified Loading Rate Condition." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97936.

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Master Curve approach for the fracture toughness evaluation is expected to be a powerful tool to ensure the reliability of long term used RPV steels. In order to get sufficient number of data for the Master curve approach coexistent with the present surveillance program for RPVs, the utilization of miniature specimens, which can be taken from broken halves of surveillance Charpy specimens, is important. CRIEPI had developed the test technique for the miniature C(T) specimens (Mini-CT), whose dimensions are 4 × 10 × 10 mm, and verified the basic applicability of the Master Curve approach by mea
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Prakash, Raghu V., and S. Satheesh Kumar. "Investigation of Size Scale Effects on the Fatigue Crack Growth Characteristics of an Aluminum Alloy." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87717.

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Size scale effect on the fatigue crack growth characteristics of 6063 aluminum alloy is examined in this paper. This is important, as often, a small scoop of material is removed from an in-service component or structure such as pressure vessels, chemical plants and pipe lines are used to decide on life extension. Constant amplitude fatigue crack growth tests were carried out using single edge notched (SENT) specimens and compact tension (CT) specimens to study the effect of size scale on the fatigue crack growth behavior of the material. The thicknesses of the specimens were varied from 10 mm
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Jakupi, Pellumb, Bill Santos, Wilfred Binns, Ivan Barker, and Jenny Been. "Microstructural Feature Analysis of X65 Steel Exposed to Ripple Load Testing Under Near Neutral pH Conditions." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33230.

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Newly designed miniature Compact Tension (CT) specimens, designed according to standard ASTM dimension ratios, and machined out of previously in-service X65 pipeline steel were exposed to super-imposed cyclic loading at high mean stresses in NS4 solution to determine the behaviour of X65 steel to ripple loading under near neutral pH conditions. Electron Back-Scatter Diffraction (EBSD) was used to study the microstructural grain geometry to determine if it influences stress-corrosion cracking (SCC) initiation and propagation. Prior to ripple load testing, finely polished X65 surfaces were subje
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