A method of using an atomized alloy powder in additive manufacturing, the method comprising: receiving the atomized alloy powder comprising alloyed particles, the alloyed particles comprising, by weight percentage: 5% to 8% magnesium; 1.5% to 4% silicon; no more than 0.3% manganese; no more than 0.2% iron; no more than 0.15% impurities; and the balance of weight percent being aluminum, wherein the atomized alloy powder includes Mg 2 Si phase precipitates; performing additive manufacturing to generate a manufactured article, comprising selectively fusing the alloyed particles using a computer-controlled energy source; and positioning the manufactured article in a heated container such as a furnace for a predetermined period of time; wherein a temperature within the heated container is between 170-200 °C; and wherein the predetermined period of time is 60-120 minutes; and removing the manufactured article from the heated container and cooling in air to room temperature. receiving the atomized alloy powder comprising alloyed particles, the alloyed particles comprising, by weight percentage: 5% to 8% magnesium; 1.5% to 4% silicon; no more than 0.3% manganese; no more than 0.2% iron; no more than 0.15% impurities; and the balance of weight percent being aluminum, wherein the atomized alloy powder includes Mg 2 Si phase precipitates; performing additive manufacturing to generate a manufactured article, comprising selectively fusing the alloyed particles using a computer-controlled energy source; and positioning the manufactured article in a heated container such as a furnace for a predetermined period of time; wherein a temperature within the heated container is between 170-200 °C; and wherein the predetermined period of time is 60-120 minutes; and removing the manufactured article from the heated container and cooling in air to room temperature. 5% to 8% magnesium; 1.5% to 4% silicon; no more than 0.3% manganese; no more than 0.2% iron; no more than 0.15% impurities; and the balance of weight percent being aluminum, wherein the atomized alloy powder includes Mg 2 Si phase precipitates; performing additive manufacturing to generate a manufactured article, comprising selectively fusing the alloyed particles using a computer-controlled energy source; and positioning the manufactured article in a heated container such as a furnace for a predetermined period of time; wherein a temperature within the heated container is between 170-200 °C; and wherein the predetermined period of time is 60-120 minutes; and removing the manufactured article from the heated container and cooling in air to room temperature. the balance of weight percent being aluminum, wherein the atomized alloy powder includes Mg 2 Si phase precipitates; performing additive manufacturing to generate a manufactured article, comprising selectively fusing the alloyed particles using a computer-controlled energy source; and positioning the manufactured article in a heated container such as a furnace for a predetermined period of time; wherein a temperature within the heated container is between 170-200 °C; and positioning the manufactured article in a heated container such as a furnace for a predetermined period of time; wherein a temperature within the heated container is between 170-200 °C; and wherein the predetermined period of time is 60-120 minutes; and removing the manufactured article from the heated container and cooling in air to room temperature.