Determination of the combustion wave velocity and polymerization

1985 ◽  
Vol 21 (2) ◽  
pp. 151-157
Author(s):  
V. A. Vol'pert ◽  
I. N. Megrabova ◽  
S. P. Davtyan
2017 ◽  
Vol 49 (2) ◽  
pp. 149-158 ◽  
Author(s):  
Jiafeng Lu ◽  
Fenglin Zhang ◽  
Yumei Zhou ◽  
Huiping Huang ◽  
Chengyong Wang ◽  
...  

In this paper layered and gradient structures of Ni-Al SHS system were adopted to manufacture Ni-Al/diamond composites. The effect of the layered and the diamond mesh gradient structures of Ni-Al/diamond on the SHS process and the microstructure of the composites were investigated. It is found that with the increasing of the number of layers, the combustion wave velocity is decreased. The combustion wave velocity for diamond mesh size gradient structure of Ni-Al SHS is faster than that for the layered structure. A well bonding can be formed between diamond and the matrix in layered and gradient structure Ni-Al/diamond composites due to the melt of Ni-Cr brazing alloy.


2011 ◽  
Vol 23 (9) ◽  
pp. 2305-2308
Author(s):  
高翔 Gao Xiang ◽  
冯国英 Feng Guoying ◽  
朱海涛 Zhu Haitao ◽  
杨火木 Yang Huomu ◽  
唐淳 Tang Chun ◽  
...  

2018 ◽  
Vol 19 (2) ◽  
pp. 73
Author(s):  
Febi Niswatul Auliyah ◽  
Komang Ngurah Suarbawa ◽  
Indira Indira

P-wave velocity and S-wave velocity have been investigated in the Bali Province by using earthquake case studies on March 22, 2017. The study was focused on finding out whether there were anomalies in the values of vp/vs before and after the earthquake. Earthquake data was obtained from the Meteorology, Climatology and Geophysics Agency (BMKG) Region III Denpasar, which consisted of the main earthquake on March 22, 2017 and earthquake data in August 2016 to May 2017. Data was processed using the wadati diagram method, obtained that the vp/vs on SRBI, IGBI, DNP and RTBI stations are shifted from 1.5062 to 1.8261. Before the earthquake occurred the anomaly of the value of vp/vs was found on the four stations, at the SRBI station at 10.35%, at the IGBI station at 16.16%, at DNP station at 12.27% and at RTBI station at 4.62%.


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