The effects of die angle on texture and annealing response of ETP copper wire

Kraft, Frank F.; Chakkingal, Uday; Baker, G. P.; Wright, Roger N.

doi:10.1016/0924-0136(96)02324-2

Cited by 21 publications

(12 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…where r a is the reduction in area and β is the semi-angle of the die in radians. In [7], Kraft et al reported the process of drawing a commercial electrolytic tough pitch copper (Cu-ETP) wire in an annealed condition at low speed with a drawing block. The authors showed that different die angles result in significant differences in the parameter ∆, strain rate, and total deformation strain (due to redundant strain).…”

Section: Methodsmentioning

confidence: 99%

“…Previous studies on wire drawing have reported the improvement of the drawing quality by selecting the appropriate die geometry (Figure 1). The influence of the reduction zone as well as the bearing zone is known to significantly affect the drawing force, spatial profile of the radial stress, residual stress behavior, and properties of the resultant wire [4][5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Influences of Different Die Bearing Geometries on the Wire-Drawing Process

Martínez

Santos

Kabayama

et al. 2019

Metals

View full text Add to dashboard Cite

Metalworking is an essential process for the manufacture of machinery and equipment components. The design of the die geometry is an essential aspect of metalworking, and directly affects the resultant product’s quality and cost. As a matter of fact, a comprehensive understanding of the die bearing geometry plays a vital role in the die design process. For the specific case of wire drawing, however, few efforts have been dedicated to the study of the geometry of the bearing zone. In this regard, the present paper involves an attempt to investigate the effects of different geometries of the die bearing. For different forms of reduction as well as bearing zones, measurements are carried out for the wire-drawing process. Subsequently, by extracting the friction coefficients from the electrolytic tough pitch copper wire in cold-drawn essays, the numerical simulations are also implemented. We present the results on both the superficial and center radial tensions obtained by finite element methods. It is observed that the reduction of the friction coefficient leads to an increase in radial stress, while for a given friction coefficient, the substitution of the C-type die by the R-type one results in a decrease in the superficial radial stress of up to 93.27%, but an increase at the center of the material. Moreover, the die angle is found to play a less significant role in the resultant center radial stress, but it significantly affects the superficial radial stress. Lastly, R-type dies result in smaller superficial radial stress, with a change of up to 34.48%, but a slightly larger center radial stress up to 6.55% for different die angles. The implications of the present findings are discussed.

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influences of Different Die Bearing Geometries on the Wire-Drawing Process

Martínez

Santos

Kabayama

et al. 2019

Metals

View full text Add to dashboard Cite

show abstract

“…In the last 30-40 years, several investigations have been performed to study the influence of drawing factors such as reduction angle [22,23], drawing speed [24][25][26], and die geometry [27][28][29] on the mechanical properties of high SFE material wires like copper. However, limited work has been done to examine the influence of drawing parameters on the low SFE materials like MP35N in wire form.…”

Section: High Corrosion Resistancementioning

confidence: 99%

“…Kraft, F., et al [22] has studied the influence of die angle on the texture and annealing response of the Cu wire and concluded that the die angle (α) plays a vital role in the development of the (111) fiber texture. Wires drawn with low die angle developed a higher volume fraction of (111) and a low amount of random texture whereas the wires drawn with high die angle developed a significant amount of random texture.…”

Section: Effect Of Drawing Parameters On the Texture Evolution In Wiresmentioning

confidence: 99%

Co-Cr-Ni-Mo wires for medical applications : processing, mechanical, microstructure and fatigue characterization

Gvk¹

View full text Add to dashboard Cite

show abstract

“…The rate independent and rate dependent models available in the literature are discussed. The importance of hardening in the texture evolution is seen from the models discussed.This chapter discusses on the strain inhomogeneity and gives outline of anisotropic properties of wire using indentation simulations conducted on the transverse wire cross section which lays a platform for the need to develop and implement texture based crystal plasticity models for the wire drawing process[58]. The metal forming industry uses effective strains on a formed product to predict the inhomogeneity using hardness values from analytical expressions[15].…”

mentioning

confidence: 99%

Modeling of microstructure evolution during cold wire drawing process and properties determination

Narayanan¹

View full text Add to dashboard Cite

Wire drawing is the most widely employed process for manufacturing the micrometer sized gold wire (φ10 − φ50 µm) used for electronic interconnects. Currently, gold wire is applied in the bonding pad and miniaturization has resulted in need of higher quality of wire; wire quality is dependent on mechanical properties. The mechanical properties are based on microstructural behavior. This work was performed during my Ph.D candidature at Nanyang Technological University, Singapore. This thesis would not have been possible without the cooperation and time of many people, whom I owe my deepest gratitude to. • My greatest thanks are reserved for my supervisor Associate Professor Sridhar Idapalapati whose help shall remain understated. His enthusiasm, inspiration and encouragement rubs off on students motivating us to perform better. His sound advice, constructive criticisms and his ability to explain things in a lucid manner shall always be remembered. • I would also like to thank Assistant Professor Sathyan Subbiah for co-advising this thesis. His efforts in guiding the thesis was amazing. It was an exorbitant privilege working with him. • My committee members Associate Professors Liu Er Jia, Tang Ming Jen and Assistant Professor Castagne Sylvie for overlooking my thesis work. • My special thanks to our subject librarian Mr. Ramaravikumar Ramakrishnan for providing me all the necessary resources for doing this Ph.D research. The library walk thru and ENDNOTE workshops were extremely helpful. His affable and risible attitude will always be remembered. • Thanks to Ms. Yong Mei Yoke for helping me with the SEM, Mr. Leong Kwok Phui for assisting me with the XRD and Dr. Zviad of the MSE school with the pole figure measurements. Mr. Teo Hai Beng for setting my LINUX cluster without which my simulations would never have happened.

show abstract

The effects of die angle on texture and annealing response of ETP copper wire

Cited by 21 publications

References 4 publications

Influences of Different Die Bearing Geometries on the Wire-Drawing Process

Influences of Different Die Bearing Geometries on the Wire-Drawing Process

Co-Cr-Ni-Mo wires for medical applications : processing, mechanical, microstructure and fatigue characterization

Modeling of microstructure evolution during cold wire drawing process and properties determination

Contact Info

Product

Resources

About