Improvement of Manufacturing Technology for Thin-Walled Pipes Made of Copper Alloys

Aleksandr Bogatov; Denis Rinatovich Salikhyanov; Aleksandr Sergeevich Ovchinnikov

doi:10.4028/www.scientific.net/MSF.918.140

Paper Titles

Novel Approach for the Determination of the Taylor-Quinney Coefficient
p.103

Modelling of Cooling and Recrystallization Kinetics during Self-Annealing of Aluminium Coils
p.110

Experimental Investigations of Bulge Formation for Burnishing on Plain Surfaces
p.117

Investigating the Influence of Bending Parameters on the Springback Behavior of Ultra-High Strength Spring Strips
p.125

Automation Tool for Quality Assurance of Long Products
p.134

Improvement of Manufacturing Technology for Thin-Walled Pipes Made of Copper Alloys
p.140

Evolution of the Microstructure of the Copper Alloy (DIN-ECu-57) in the Deformation Zone in the Process of Pressing Conform
p.145

Effect of Cooling and Isothermal Holding on the Amount of Martensite/Austenite (M/A) Constituents, Microstructure and Mechanical Properties of Microalloyed Pipeline Steel
p.152

Optimization of Tooling Design for Hot Mandrel Bending of Pipe Elbows
p.159

HomeMaterials Science ForumMaterials Science Forum Vol. 918Improvement of Manufacturing Technology for...

Improvement of Manufacturing Technology for Thin-Walled Pipes Made of Copper Alloys

Abstract:

Thin-walled pipes made of copper alloys – the brass grades L96, L68, L63, LANKMc; the bronze grade BrOF (the GOST state standard) are of great demand in aircraft, shipbuilding, automotive, defense, diesel and instrument-making industries. Pipe diameter ranges between 4.0 and 20 mm, and wall thickness is in the range from 0.1 to 0.6 mm. The manufacture of these pipes using traditional technological schemes is characterized by high labor input and low stability in providing quality characteristics, such as dimensional accuracy, the presence of surface defects and the level of mechanical properties. This study presents scientific evidence, new technological schemes developed for manufacturing pipes made of copper alloys with the use of the equipment and technology of multiple drawing on a long movable mandrel and results of their adoption at Revda Non-Ferrous Metal Processing Works JSC.

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Periodical:

Materials Science Forum (Volume 918)

Pages:

140-144

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.918.140

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Online since:

March 2018

Authors:

Aleksandr Bogatov, Denis Rinatovich Salikhyanov*, Aleksandr Sergeevich Ovchinnikov

Keywords:

Brass, Cold-Deformed Pipe, Copper Alloy, Damage Accumulation Model, Drawing on a Long Movable Mandrel, Metal Damage, Multiple Drawing, Plasticity

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References

[1] M.Z. Ermanok, L.S. Vatrushin, Volochenie Tsvetnykh Metallov i Splavov [Drawing Non-Ferrous Metals and Alloys], Moscow: Metallurgiya, (1988).

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[3] A.A. Bogatov, Crack resistance of high-strength steel and breakage of a gas pipeline, Metallurg, 61 (2017) 47 – 52.

DOI: 10.1007/s11015-017-0452-6

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