Method for quantitative evaluation of degree of alloying of NiCrAlY alloy powder prepared by mechanical alloying
A technology of mechanical alloying and alloying degree, which is applied to quantitatively evaluate the alloying degree of NiCrAlY alloy powder prepared by mechanical alloying.
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Embodiment 1
[0012] (1) The chemical composition is Ni20Cr alloy powder, pure Al powder and Y 2 o 3 The powder is mechanically stirred and mixed evenly to form a mechanically stirred composite powder. The mass percentage of pure Al powder in the mechanically composite powder is 5%. The temperature of the mechanically stirred composite powder is measured by differential thermal analysis at 27~1280°C Differential thermal analysis curve at high temperature, and measure the endothermic peak area in the range of 600~700℃ as S 0 =30.1μV·s / mg;
[0013] (2) The chemical composition is Ni20Cr alloy powder, pure Al powder and Y 2 o 3 The powder is mixed evenly on a high-energy ball mill to form a mechanically alloyed NiCrAlY alloy powder. The mass percentage of pure Al powder in the mechanically alloyed NiCrAlY alloy powder is 5%. The mechanically alloyed formula is measured by differential thermal analysis. Differential thermal analysis curve of NiCrAlY alloy powder at 27~1280℃, and the measure...
Embodiment 2
[0016] (1) The chemical composition is Ni25Cr alloy powder, pure Al powder and Y 2 o 3 The powder is mechanically stirred and mixed evenly to form a mechanically stirred composite powder. The mass percentage of pure Al powder in the mechanically composite powder is 15%. The temperature of the mechanically stirred composite powder is measured by differential thermal analysis at 27~1280°C Differential thermal analysis curve at high temperature, and measure the endothermic peak area in the range of 600~700℃ as S 0 =38.6μV·s / mg;
[0017] (2) The chemical composition is Ni25Cr alloy powder, pure Al powder and Y 2 o 3 The powder is mixed evenly on a high-energy ball mill to form a mechanically alloyed NiCrAlY alloy powder. The mass percentage of pure Al powder in the mechanically alloyed NiCrAlY alloy powder is 15%. The mechanically alloyed formula is measured by differential thermal analysis. Differential thermal analysis curve of NiCrAlY alloy powder at 27~1280℃, and the measu...
Embodiment 3
[0020] (1) The chemical composition is Ni30Cr alloy powder, pure Al powder and Y 2 o 3 The powder is mechanically stirred and mixed evenly to form a mechanically stirred composite powder. The mass percentage of pure Al powder in the mechanically composite powder is 25%. The temperature of the mechanically stirred composite powder is measured by differential thermal analysis at 27~1280°C Differential thermal analysis curve at high temperature, and measure the endothermic peak area in the range of 600~700℃ as S 0 =43.7μV·s / mg;
[0021] (2) The chemical composition is Ni30Cr alloy powder, pure Al powder and Y 2 o 3 The powder is mixed evenly on a high-energy ball mill to form a mechanically alloyed NiCrAlY alloy powder. The mass percentage of pure Al powder in the mechanically alloyed NiCrAlY alloy powder is 25%. The mechanically alloyed formula is measured by differential thermal analysis. Differential thermal analysis curve of NiCrAlY alloy powder at 27~1280℃, and the measu...
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