Molybdenum strip test experiments and simulations at various temperatures to determine friction coefficients

被引：5

作者：

Brumercik, Frantisek ^{[1
]}

Bastovansky, Ronald ^{[1
]}

Lukac, Michal ^{[1
]}

Glowacz, Adam ^{[2
]}

机构：

[1] Univ Zilina, Mech Engn Fac, Dept Design & Machine Elements, Univ 1, Zilina 01026, Slovakia

[2] AGH Univ Sci & Technol, Fac Elect Engn Automat Comp Sci & Biomed Engn, Dept Automat Control & Robot, Al A Mickiewicza 30, PL-30059 Krakow, Poland

来源：

MEASUREMENT | 2021年 / 172卷

关键词：

Molybdenum; Drawbead; Strip test; SHEET; BEHAVIOR; WORKING;

D O I：

10.1016/j.measurement.2020.108859

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of the presented study was to perform the strip test of 0.5 mm thick molybdenum strip specimens by various simulated drawbead heights from 2 mm up to 6 mm and various temperatures from 20 degrees C up to 320 degrees C to obtain friction coefficients between the molybdenum strip and steel cylinders built-in the developed test device simulating the drawbead. The friction coefficients between the dry and lubricated molybdenum strip and the steel cylinders simulating the drawbeads were obtained by changing its value in the bilinear friction model and matching the holder drawing force and the drawbead restraint force curves achieved during the tests and the simulations. The increasing temperature of molybdenum strip led to reduced holder drawing force and drawbead restraint force and increased friction coefficient because of the decrease of molybdenum strip yield strength and the increase of surface contact between molybdenum sheet and the testing tool at elevated temperature.

引用

页数：10

共 10 条

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