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Note: Motor-piezoelectricity coupling driven high temperature fatigue device.
Ma, Z C; Du, X J; Zhao, H W; Ma, X X; Jiang, D Y; Liu, Y; Ren, L Q.
Affiliation
  • Ma ZC; School of Mechanical Science and Engineering, Jilin University, Changchun 130025, China.
  • Du XJ; School of Mechanical Science and Engineering, Jilin University, Changchun 130025, China.
  • Zhao HW; School of Mechanical Science and Engineering, Jilin University, Changchun 130025, China.
  • Ma XX; School of Mechanical Science and Engineering, Jilin University, Changchun 130025, China.
  • Jiang DY; School of Mechanical Science and Engineering, Jilin University, Changchun 130025, China.
  • Liu Y; School of Mechanical Science and Engineering, Jilin University, Changchun 130025, China.
  • Ren LQ; Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130025, China.
Rev Sci Instrum ; 89(1): 016102, 2018 Jan.
Article in En | MEDLINE | ID: mdl-29390676
ABSTRACT
The design and performance evaluation of a novel high temperature fatigue device simultaneously driven by servo motor and piezoelectric actuator is our focus. The device integrates monotonic and cyclic loading functions with a maximum tensile load of 1800 N, driving frequency of 50 Hz, alternating load of 95 N, and maximum service temperature of 1200 °C. Multimodal fatigue tests with arbitrary combinations of static and dynamic loads are achieved. At temperatures that range from RT to 1100 °C, the tensile and tensile-fatigue coupling mechanical behaviors of UM Co50 alloys are investigated to verify the feasibility of the device.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Rev Sci Instrum Year: 2018 Type: Article Affiliation country: China
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Rev Sci Instrum Year: 2018 Type: Article Affiliation country: China