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Effect of Shot Peening on Microstructure and Properties of ...

In this work, the microstructure and properties of 34CrMo4 alloy of before and after SP for 20 min have been investigated. The evolution of microstructure and properties were analyzed from the surface and cross-section. The microstructure morphology at the different depth …

Author Ke Jian Li, Qiang Zheng, Yue Lin Qin, Xiao Wei Liu

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Corrosion Properties of 34CrMo4 Steel Modified by Shot …

3.1. Microstructure Analysis. The microstructure of 34CrMo4 steel matrix was investigated by FESEM and can be observed in Figure 1, which presents the FESEM image of the 34CrMo4 steel. In Figure 1(a), grain boundaries with triple junction are marked by a red arrow. Moreover, the grain size is in micrometer scale, and fine carbide particles are distributed in the matrix.

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Effect of Shot Peening on Microstructure and Properties of ...

microstructure of 34CrMo4 alloy at different depth. The microstructure that had been operated the process of shot peening is significantly difference from top lev el to bottom, which illustrat ed ...

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42CrMo4 Alloy Steel, BS EN 10250 Engineering Steel

BS EN 42CrMo4 1.7225 Alloy Engineering Steel. BS EN 42crmo4 Alloy Steel is a common chromium-molybdenum steel that usually used after quenched and tempered, with high intensity, high hardenability. BS EN 42CrMo4 round steel has better performance than 34CrMo4 steel due to the carbon and chromium content is higher.

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STRUCTURAL-MECHANICAL PROPERTIES OF V-N …

STRUCTURAL-MECHANICAL PROPERTIES OF V-N MICROALLOYED 34CRMO4 STEEL AFTER CONTROL COOLING PROCESS Pavel KUČERA a, Eva MAZANCOVÁ a a VŠB –Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Czech Republic, Tř. 17. listopadu 15/2172, 708 33 Ostrava – Poruba, Czech Republic, [email protected],

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Mechanical properties 35CrMo - pressure-vessel-steel

34CrMo4 / 1.7220 Alloy special steel - equivalent ... Mechanical properties of steel 34CrMo4 (1 ... 35CrMo ZG35CrMo 2234 25CrMo4 ... Mechanical Properties of steel 34CrMo4 ... Microstructure and mechanical properties of … Microstructure and mechanical properties of brazing bonded WC-15Co/35CrMo joint using AgNi/CuZn/AgNi composite ...

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34CrMo4 STEEL RESISTANCE AGAINST THE SSC AFTER …

34CrMo4, after primary material production and especially after reverse extrusion and broaching microstructure shows strong segregation banding that is detrimental for the SSC resistance as was already formerly presented e.g. by Kawabata et al [5] on the micro-alloyed steel with vanadium, niobium and Mo addition.

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(PDF) MATHEMATICAL MODELING FOR 34CrMo4 STEEL …

The relationships among the true strain with n, , Q and Ln A for 34CrMo4 are illustrated in Fig.1. Sajadifar et al. - Mathematical Modeling for 34CrMo4 steel during hot compression 13 Fig.1.

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MATHEMATICAL MODELING FOR 34CrMo4 STEEL …

MATHEMATICAL MODELING FOR 34CrMo4 STEEL DURING HOT COMPRESSION Seied Vahid Sajadifar 1*, Mostafa Ketabchi1, ... Some researches [1-7] have been done on microstructure evolution during hot deformation and mechanical characteristics in hot deformation. Moreover, many researchers have studied different models for predicting material behaviors. For

Author Seied Vahid Sajadifar, Mostafa Ketabchi, Mohamadreza Nourani

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Microstructure Transformations in Tempering Steels …

Microstructure Transformations in Tempering Steels during Continuous Cooling from Hot Forging Temperatures F. Nu¨rnberger 1)*, ... microstructure can be observed with increasing deforma-tion. Despite reports of various authors [8] and [11–13], ... The alloys 34CrMo4 (1.7220), 42CrMo4 (1.7225),

Published in Steel Research International · 2010Authors Florian Nurnberger · Olexandr Grydin · Mirko Schaper · Friedrichwilhelm Bach · B Koc…Affiliation Leibniz University of Hanover · Czestochowa University of Technology · Agh Universit…About Microstructure

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RELATION BETWEEN THE GRAIN SIZE DEVELOPLMENT …

RELATION BETWEEN THE GRAIN SIZE DEVELOPLMENT AND MECHANICAL PROPERTIES OF 34CrMo4 STEEL AFTER FOUR TYPES OF TREATMENT Pavel KUČERA a, ... Steel 34CrMo4 is world widely used steel type for the variety of products, for example forgings, castings, shafts, ... with the microstructure after four treatments of the material including as hot rolled ...

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On the Microstructural Evolution of 4130 Steel During Hot ...

On the Microstructural Evolution of 4130 Steel During Hot Compression. Due to the importance of process parameters such as temperature and strain rate on the ensuing microstructure, primarily grain size, and mechanical properties of the cylinder, the dynamic recrystallization characteristics of 4130 steel are investigated in the second part...

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Mechanical properties 35CrMo - Katalor steel

Home > gas cylinder>Mechanical properties 35CrMo. Product Categories. Carbon Steel. corten steel welding pdf. jis g 3101 ss400. s460n material. qste 340 steel. s335j2g3 steel us equivalent. material composition of C40. astm a537 cl 2. fe 410 s steel. astm gr 65 steel. ship ms plate. Alloy Steel. mechanical property of jsc270cc.

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MATHEMATICAL MODELING FOR 34CrMo4 STEEL …

the true strain with n, , Q and Ln A for 34CrMo4 are illustrated in Fig.1. Sajadifar et al. - Mathematical Modeling for 34CrMo4 steel during hot compression 13 Fig.1.

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34CrMo4 steel resistance against the SSC after controlled ...

34CrMo4 steel resistance against the SSC after controlled cooling process The sulphide stress cracking corrosion resistance of 34CrMo4 steel after the accelerated cooling process under the Ar 3 temperature was investigated.

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STRESS ANALYSIS IN CYLINDRICAL SPECIMENS MADE …

STRESS ANALYSIS IN CYLINDRICAL SPECIMENS MADE FROM 34CrMo4 USING ... Microstructure, tension test, digital image correlation, 34CrMo4 steel, true stress 1 Introduction The 34CrMo4 steel grade is a low-carbon steel with medium through-hardening for medium-duty machine parts. The use of the 34CrMo4 steel grade lies primarily in the production of

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Mechanical properties 35CrMo - Katalor steel

Home > gas cylinder>Mechanical properties 35CrMo. Product Categories. Carbon Steel. corten steel welding pdf. jis g 3101 ss400. s460n material. qste 340 steel. s335j2g3 steel us equivalent. material composition of C40. astm a537 cl 2. fe 410 s steel. astm gr 65 steel. ship ms plate. Alloy Steel. mechanical property of jsc270cc.

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Failure analysis on a fractured 34CrMo4 steel high ...

After 10 years of service, one high-pressure cylinder made by 34CrMo4 low alloy steel fractured catastrophically, causing extensive damages. The cylinder was filled with a commercially available mixture of nitrogen, argon and carbon dioxide. A failure analysis has been carried out in order to identify the cause of rupture.

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MICROSTRUCTURE AND PROPERTIES OF HOT ROLLED …

MICROSTRUCTURE AND PROPERTIES OF HOT ROLLED 42CrMo4 STEEL CHARGE AND RINGS Hernas A. 1, Herian J. 1, Wyla P. 2 1Silesian University of Technology, Katowice, Po sko 2 Steel Plant Huta Bankowa, D browa Górnicza, Po sko MIKROŠTRUKTÚRA A VLASTNOSTI ZA TEPLA VALCOVANÝCH D ISKOV A KRÚŽKOV Z OCELE 42CrMo4 Hernas A. 1, Herian J. 1, Wyla P. 2

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Microstructural Behaviour of Tempering Steels during ...

microstructure and reduced susceptibility to cracking [5]. Also, air-hardening steels such as 21CrMnCu8-6 ... 34CrMo4, 42CrMo4, 50CrMo4, 51CrV4 and 34CrNiMo6, were used for the experimental investigations of the con-tinuous transformation behaviour and to record the

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Mechanical properties 35CrMo - carbon-steeltube

Microstructure and mechanical properties of brazing … By using the composite filler metals, the evolution rule of increasing Cu (s.s) content was discussed. The effects of brazing temperature and holding time on the mechanical properties of the WC …

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Sintering and microstructure characteristics of 42CrMo4 ...

Sintering and microstructure characteristics of 42CrMo4 steel processed by spark plasma sintering

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34CrNiMo6 / 1.6582 Alloy special steel - equivalent ...

Chemical composition of steel 34CrNiMo6 (1.6582), Standards of steel 34CrNiMo6 (1.6582) Mechanical Properties of steel 34CrNiMo6 (1.6582) Equivalent grades of steel 34CrNiMo6 (1.6582) Tensile Strength, Elongation, Proof strength, Hardness

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Mechanical behavior of CrMo steel with tempered …

The microstructures of the quench tempered and step quenched specimens are shown in Fig. 1a through d, respectively. As can be seen in these figures, the microstructure of the quench tempered specimen was tempered martensite, whereas the microstructure of the steel in the step quenching condition was ferrite (white areas) and mixture of bainite and martensite (black areas).

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Steels for quenching and tempering – Part 3 Technical ...

DIN EN 10083-3:2007-01 2 National foreword This standard has been prepared by ECISS/TC 23 “Steels for heat treatment, alloy steels and free-cutting

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Bainite - Wikipedia

The microstructures of martensite and bainite at first seem quite similar, consisting of thin plates which in low-alloy steels cluster together. This is a consequence of the two microstructures sharing many aspects of their transformation mechanisms.

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Nitriding and Carburizing Metlab Heat Treat

After carburizing, the work is either slow cooled for later hardening, quenching and tempering or quenched directly into oil and then tempered. Since there are microstructure changes associated with the hardening process, some size change or distortion can be expected. This can be an issue for closely toleranced parts.

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