Interfacial Microstructures and Characterization of the Titanium—Stainless Steel Friction Welds Using Interlayer Technique

Cheepu, Muralimohan; Muthupandi, V.; Venkateswarlu, D.; Srinivas, B.; Che, Woo-Seong

doi:10.1007/978-3-319-78919-4_21

Cited by 18 publications

(12 citation statements)

References 39 publications

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“…The average grain size of DRX region on CS and SS side is almost same on both sides of the interface, is owing to the formation of refined grain structure in the DRX zone. The refined grain structure at the joint interface observed to be resulted in enhancing of mechanical properties [29][30][31][32] .…”

Section: Macro and Microstructural Analysismentioning

confidence: 99%

Effect of Burn-off Length on the Properties of Friction Welded Dissimilar Steel Bars

Cheepu

Seong

2019

Journal of Welding and Joining

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Friction welding is one of the solid state welding process and it is very popular method to join cylindrical components of similar and dissimilar metals. It is most economical and high productive method for various applications of aerospace, automotive and chemical industries. The joining of austenitic stainless steels using fusion welding methods associated with many problems such as solidification cracks and grain growth. To alleviate these problems, friction welding method has been used for joining of austenitic stainless steel to carbon steel. The process parameters such as burn-off length is one of the significant welding condition to govern the heat generation and coefficient of friction during welding. Burn-off length of 1 mm to 6 mm was selected to investigate its effect on mechanical properties and weld interface characteristics. An optical, scanning electron microscope and electron backscattered diffraction analyses were used to characterize the weld interface properties. The mechanical properties of the joints were evaluated by using hardness, tensile and fatigue tests. It is observed that, strength of the joints were increased with increasing of burn-off length up to optimum value of 4 mm and starts to decrease on further increasing of burn-off length.

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Section: Macro and Microstructural Analysismentioning

confidence: 99%

Effect of Burn-off Length on the Properties of Friction Welded Dissimilar Steel Bars

Cheepu

Seong

2019

Journal of Welding and Joining

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“…This might be due to the significance of friction coefficient as opposed to that of thermal conductivity [4]. While establishing a matchhead process industry, one must consider the material properties as per this research outcome such as hardness of the selected materials must on lower side as like other materials [21][22][23][24][25][26][27][28][29][30][31].…”

Section: Resultsmentioning

confidence: 99%

Influence of Different In-Process and Building Materials with Varying Hardness on Impact Sensitivity of the Matchhead Composition

Sivapirakasam

Phanindra

Surianarayanan

et al. 2019

MSF

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The objective of this research work is to study the influence of different in-process contact materials (steel, aluminium and brass) and building contact materials (concrete and wood), and its hardness on the impact sensitivity of matchhead composition. The BAM fall hammer was used for measurement of impact sensitivity. The result demonstrated that the in-process and building contact materials, and its hardness imparted variation to the sensitivity between 3.33J and 15.892J. The least LIE was found at 3.33J for the steel at 115 HRB and 117 HRB; 3.72J for aluminium at 53 HRB; 4.7J for brass at 82 HRB; 12.16J for concrete at 35 RHN, and 13.14J for wood at 16 HRB. The limited impact energy was lowest when there was contact between steel and steel as in-process material and contact between concrete and concrete as building contact material. The impact sensitivity was higher for material with higher hardness for all building and in-process contact materials. Brass and wood is suggested to be used as process and building materials in order to reduce the risk of explosions due to impact sensitivity.

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“…Among the titanium alloys, Ti-6Al-4V alloy usage is more and it gains more than half of all titanium in the world and compared to others. Its applications are widely involved in nuclear, aerospace, chemical and medical industries [7][8][9][10][11]. The joining of titanium and its alloys using conventional welding methods resulted in formation of oxidation in the welds.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Process Parameters Using Surface Response Methodology for Laser Welding of Titanium Alloy

Cheepu

Venkateswarlu²,

Rao

et al. 2019

MSF

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Laser beam welding input conditions are greatly influence the quality of the welded joints and they have significant role on the controlling of their strength and metallurgical properties. The metallurgical properties and weld bead geometry and mechanical properties of the joints determine the quality of the joints. In this study, the fusion zone width, penetration, width of the heat affected zone and strength of the titanium alloy welds were investigated using laser welding process. The surface response methodology design is carried out for the experimental design by the development of regression equations. Analysis of variance (ANOVA) was used to check the validity of the model. In order to identify the significant parameters, student’s test is conducted. The obtained results from response surface methodology were compared with the experimental results and validated.

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Interfacial Microstructures and Characterization of the Titanium—Stainless Steel Friction Welds Using Interlayer Technique

Cited by 18 publications

References 39 publications

Effect of Burn-off Length on the Properties of Friction Welded Dissimilar Steel Bars

Effect of Burn-off Length on the Properties of Friction Welded Dissimilar Steel Bars

Influence of Different In-Process and Building Materials with Varying Hardness on Impact Sensitivity of the Matchhead Composition

Optimization of Process Parameters Using Surface Response Methodology for Laser Welding of Titanium Alloy

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