Preparation method of the high-density iridium alloy billet
A high-density, alloy technology, applied in the field of high-density iridium alloy billet and its preparation, can solve the problems of rapid thermal hardening, high melting point, low activity, etc., achieve the effect of convenient operation, simple preparation process, and reduced sintering activation energy
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Embodiment 1
[0019] The high-density iridium alloy billet of this embodiment contains 0.1% (wt) tungsten, 40 ppm (wt) thorium, and the balance is iridium and unavoidable impurities. The relative density of the iridium alloy billet is about 95.62%. The relative density of the iridium alloy billet refers to the ratio of the measured density to the theoretical density of the iridium alloy billet. The theoretical density of the iridium alloy billet is the sum of the theoretical density of each component in the iridium alloy billet. The theoretical density of thorium is calculated as thorium oxide. .
[0020] Its preparation method is:
[0021] (1) total feeding 1Kg, according to the composition requirement of final iridium alloy billet, the iridium powder (-200 mesh, quality Purity is 99.9%) placed in the high-energy ball mill, using wet high-energy ball milling to activate and mix for 32h, then add iridium powder of 1 / 2 of the total weight of the required iridium powder to the high-energy ba...
Embodiment 2
[0026] The high-density iridium alloy billet of this embodiment contains 0.2% (wt) tungsten, 50 ppm (wt) thorium, and the balance is iridium and unavoidable impurities. The relative density of the alloy billet is about 95.84%. The relative density of the iridium alloy billet refers to the ratio of the measured density to the theoretical density of the iridium alloy billet. The theoretical density of the iridium alloy billet is the sum of the theoretical density of each component in the iridium alloy billet. The theoretical density of thorium is calculated as thorium oxide. .
[0027] Its preparation method is:
[0028] (1) total feeding 1Kg, according to the composition requirement of final iridium alloy billet, the iridium powder (-200 order, mass Purity is 99.9%) placed in the high-energy ball mill, using wet high-energy ball milling to activate and mix for 30 hours, then add iridium powder of 1 / 2 of the total weight of the required iridium powder to the high-energy ball mi...
Embodiment 3
[0033] The high-density iridium alloy billet of this embodiment contains 0.3% (wt) tungsten, 60 ppm (wt) thorium, and the balance is iridium and unavoidable impurities. The relative density of the alloy billet is about 96.03%. The relative density of the iridium alloy billet refers to the ratio of the measured density to the theoretical density of the iridium alloy billet. The theoretical density of the iridium alloy billet is the sum of the theoretical density of each component in the iridium alloy billet. The theoretical density of thorium is calculated as thorium oxide. .
[0034] Its preparation method is:
[0035](1) total feeding 1Kg, according to the composition requirement of final iridium alloy billet, the iridium powder (-200 mesh, quality Purity is 99.9%) is placed in the high-energy ball mill, adopts wet-process high-energy ball mill to activate and mix 24h, then in the high-energy ball mill, add the iridium powder of 1 / 2 of the total weight of iridium powder need...
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