The influence of the deformation mode on the final mechanical properties of products in multi-pass drawing and flat rolling

Łuksza, J.; Burdek, M.

doi:10.1016/s0924-0136(02)00319-9

Cited by 14 publications

(9 citation statements)

References 4 publications

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“…It exhibits that a good surface quality of the micro-tubes without surface flaw was achieved when the drawing R/P is lower than 15%. It is also observed that the DP should be limited to 5 times and R/P is about 4% for HS process (see No.3-No.5), and the excessive DP is bad to the plasticity of the micro-tubes [24,25] . Oil lubricant is preferred to acquire better mechanical properties of Zn alloy micro-tubes, compared with No.4 and No.6.…”

Section: Processing Optimization Of Zn Alloy Micro-tubementioning

confidence: 99%

Processing of a Novel Zn Alloy Micro-Tube for Biodegradable Vascular Stent Application

Wang

Cui

et al. 2016

Journal of Materials Science & Technology

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Section: Processing Optimization Of Zn Alloy Micro-tubementioning

confidence: 99%

Processing of a Novel Zn Alloy Micro-Tube for Biodegradable Vascular Stent Application

Wang

Cui

et al. 2016

Journal of Materials Science & Technology

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“…The influence of the number of passes after multipass drawing on such material properties as tensile strength, yield strength, and percentage elongation has been revealed in [21,22]. The dependence of the axial surface residual stress on the number of passes in carbon steel wires during multipass drawing has been found in [23].…”

Section: Introductionmentioning

confidence: 99%

Effect of Die Angle and Frictional Conditions on Fine Grain Layer Generation in Multipass Drawing of High Carbon Steel Wire

Stolyarov

Polyakova

Atangulova

et al. 2020

Metals

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Fine grain layers that generate near frictional interfaces in metal forming processes affect the quality of products. The present paper aims to contribute to the continuum-mechanics-based phenomenological approach for predicting such layers’ properties. In particular, it studies the generation of fine grain layers in the process of multipass drawing of thin high carbon steel wires experimentally. The wires are drawn in three passes under different friction conditions. All three dies in each multipass process have the same semiangle. In total, two die semiangles are used, 4° and 5°. The effects of such processing conditions as the die semiangle, the number of passes, and the friction conditions on the thickness of fine grain layers are observed and discussed. The criterion for determining this thickness is based on the coefficient of anisotropy. Under soft friction conditions, the fine grain layer’s thickness decrease occurs during the consequential passes independently of the die semiangle. On the other hand, in the case of hard friction conditions, the thickness may or may not be a monotonic function of the number of passes, and its general qualitative behavior depends on the die semiangle.

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“…Thin-walled tubes, which are used for various machine components, contribute to the reduction in size and weight of various machines. The thin-walled tube is manufactured from rather thick-walled raw tubes by multi-pass drawing, which is the conventional cold working forming process of tubes, that determines many properties of the tube, such as residual stress [1], dimensional precision [2,3], surface integrity [4], and strength [5]. However, many drawing passes are needed for manufacturing very-thin-walled tubes.…”

Section: Introductionmentioning

confidence: 99%

Tube Drawing Process with Diameter Expansion for Effectively Reducing Thickness

Kajikawa

Kawaguchi

Kuboki

et al. 2020

Metals

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The present paper describes a tube drawing method with diameter expansion, which is herein referred to as “expansion drawing”, for effectively producing thin-walled tube. In the proposed method, the tube end is flared by pushing a plug into the tube, and the tube is then expanded by drawing the plug in the axial direction while the flared end is chucked. The forming characteristics and effectiveness of the proposed method were investigated through a series of finite element method (FEM) analyses and experiments. As a result of FEM analysis, the expansion drawing effectively reduced the tube thickness with a smaller axial load when compared with the conventional method. According to the experimental results, the thin-walled tube was produced successfully by the expansion drawing. Maximum thickness reduction ratios for a carbon steel (STKM13C) and an aluminum alloy (AA1070) were 0.15 and 0.29 when the maximum expansion ratios were 0.23 and 0.31, respectively. The above results suggest that the proposed expansion drawing method is effective for producing thin-walled tubes.

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The influence of the deformation mode on the final mechanical properties of products in multi-pass drawing and flat rolling

Cited by 14 publications

References 4 publications

Processing of a Novel Zn Alloy Micro-Tube for Biodegradable Vascular Stent Application

Processing of a Novel Zn Alloy Micro-Tube for Biodegradable Vascular Stent Application

Effect of Die Angle and Frictional Conditions on Fine Grain Layer Generation in Multipass Drawing of High Carbon Steel Wire

Tube Drawing Process with Diameter Expansion for Effectively Reducing Thickness

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