MICROSTRUCTURE AND PERFORMANCE OF Ni-Hf BRAZING FILLER ALLOY
ZHENG Yunrong RUAN Zhongci Institute of Aeronautical Materials,Beijing,China ZHENG Yunrong,Senior Engineer,Laboratory No.4 Institute of Aeronautical Materials,
Acta Metallurgica Sinica (English Letters) . 1990, (11): 335 -340 .