Han Dengfeng, Jiao Yousheng, Yuwen Jianpeng, Ma Xiaoqin, Xie Weihong: Synthetic cast iron for production of hydraulic piece and preparation method thereof. Csic No 12 Research Institute, luodi, April 16, 2008: CN200710019198

The invention discloses a synthetic cast iron for hydraulic member production, the mass percentage of the compositions is as follows: 1.8 percent to 3.3 percent of C, 1.8 percent to 2.0 percent of Si, 0.4 percent to 0.7 percent of Mn, 0 percent to 0.3 percent Cr, 0 percent to 0.5 percent of Cu and t ...

Zhao Jiaoyu, Chen Chaoxuan, Yuwen Jianpeng, Chen Pengbo: Standard substance for TC11 titanium alloy photoelectric spectral analysis and preparation method thereof. No 12 Research Institute of China Shipbuilding Industry Corporation, luo di, February 16, 2011: CN201010254696

The invention discloses a standard substance for TC11 titanium alloy photoelectric spectral analysis, which comprises the following components in percentage by weight: 4.53% to 7.51% of Al, 2.2% to 4.65% of Mo, 0.59% to 2.41% of Zr, 0.15% to 0.46% of Si, 0.15% to 0.35% of Fe, 0.021% to 0.12% of C an ...

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