Microstructure and mechanical properties of dissimilar materials joints between T92 martensitic and S304H austenitic steels

Cao, Jian; Gong, Yi; Zhu, Kai; Yang, Zhen‐Guo; Luo, Xiao-Ming; Gu, Fuming

doi:10.1016/j.matdes.2011.01.008

Cited by 91 publications

(26 citation statements)

References 18 publications

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“…[13][14][15] . Among these materials Super 304H is widely used in super heater headers where the working temperature is between 450-550°C 2,14,16 .…”

Section: Weld Joint Characteristicsmentioning

confidence: 99%

A Study on Process Characteristics and Performance of Hot Wire Gas Tungsten Arc Welding Process for High Temperature Materials

Mr¹,

Kandasamy

2016

Mat. Res.

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Hot wire gas tungsten arc welding (HW-GTAW) process is the one where the filler wire is preheated close to its melting point before it is fed in to the arc. The effect of HW-GTAW parameters such as welding current, hot wire current and the wire feed rate during welding of super ASS 304H stainless steel tubes were evaluated in terms of heat input, voltage-current (V-I) characteristics and weld bead characteristics such as bead weight and geometry. The results obtained indicate that for a constant welding current, increasing the hot wire current and wire feed rate provides a stable V-I characteristics and higher bead weight. Further, increasing the hot wire current and wire feed rate also provides better or desired weld pool and hence the bead geometry was described in terms of width, penetration depth, area of fusion and toe angle. By utilising the above knowledge, the tube to tube butt welding of SS 304H material was carried out. It was observed that, the weld joint is qualified as per the quality requirement of ASME: Sec IX standard.

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“…[13][14][15] . Among these materials Super 304H is widely used in super heater headers where the working temperature is between 450-550°C 2,14,16 .…”

Section: Weld Joint Characteristicsmentioning

confidence: 99%

A Study on Process Characteristics and Performance of Hot Wire Gas Tungsten Arc Welding Process for High Temperature Materials

Mr¹,

Kandasamy

2016

Mat. Res.

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show abstract

“…These modes are illustrated in Fig. 15b-d obtained from a high magnification of regions (1), (2) and (3) of Fig. 14a and b that illustrates a transgranular brittle fracture display cleavage accompanied by plastic deformation; some micro-cracks are visible and indicated by arrows.…”

Section: Fatigue Behavior Of the Weld Jointmentioning

confidence: 97%

“…In this context, dissimilar welding is a promising solution. The necessity of joining different grades of materials takes place in several fields nowadays such as oil and gas, petrochemistry, power plant and automobile industries among others [1][2][3][4][5]. However, the main disadvantage of dissimilar welding is the microstructural heterogeneity generated by the weld thermal cycles that can influence significantly the global and local mechanical behavior of the weld joint.…”

Section: Introductionmentioning

confidence: 99%

Microstructure and mechanical behavior in dissimilar 13Cr/2205 stainless steel welded pipes

et al. 2015

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“…As for the T92/Super304H dissimilar steel weld joints, there are several literature lately reported, concerning the welding techniques and the microstructures and mechanical properties of them [3][4][5]. Cao et al have implemented the T92/Super304H dissimilar steel welding through a gas tungsten arc welding (GTAW) technique using ERNiCr-3 welding wires.…”

Section: Introductionmentioning

confidence: 99%

Microstructures and mechanical properties of T92/Super304H dissimilar steel weld joints after high-temperature ageing

Chen¹,

Zhang

Liu³

et al. 2013

Materials & Design

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Microstructure and mechanical properties of dissimilar materials joints between T92 martensitic and S304H austenitic steels

Cited by 91 publications

References 18 publications

A Study on Process Characteristics and Performance of Hot Wire Gas Tungsten Arc Welding Process for High Temperature Materials

A Study on Process Characteristics and Performance of Hot Wire Gas Tungsten Arc Welding Process for High Temperature Materials

Microstructure and mechanical behavior in dissimilar 13Cr/2205 stainless steel welded pipes

Microstructures and mechanical properties of T92/Super304H dissimilar steel weld joints after high-temperature ageing

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