Turbocharger

Tribological behavior of double-glow plasma Zirconium-Yttrium alloying on γ-TiAl Cong Huang, Pingze Zhang*, Dongbo Wei, Xiangfei Wei, Xiaohu Chen and Feng Ding (College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China) * Corresponding author: pzzhang_nuaa@126.com Abstract: A Zr-Y alloyed layer was prepared onto the surface of γ-TiAl using double-glow plasma surface alloying technique (DG technique). The results showed that the Zr-Y…

Lady Gaga, was born Stefani Joanne Angelina Germanotta, in Yonkers, New York, on March 28, 1986. Her father, Joseph, was an internet entrepreneur and her mother, Cynthia, worked in telecommunications. Stefani has a sister that is six years younger than she. Stefani grew up on the Upper West Side of Manhattan. Her family was well-off and sent her to a catholic girl’s school called, the Convent of the Sacred Heart. At age four Stefani began taking piano lessons and wrote her first song shortly…