Figure 9. Internal defect investigation of aluminum alloy propellers through CT analysis: (a) commercially available Al-7Si-0.3Mg alloy propeller; (b) developed LPDC Al-6Zn-2Mg-1.5Cu propeller.

Figure 9. Internal defect investigation of aluminum alloy propellers through CT analysis: (a) commercially available Al-7Si-0.3Mg alloy propeller; (b) developed LPDC Al-6Zn-2Mg-1.5Cu propeller.

Figure 9. Internal defect investigation of aluminum alloy propellers through CT analysis: (a) commercially available Al-7Si-0.3Mg alloy propeller; (b) developed LPDC Al-6Zn-2Mg-1.5Cu propeller.

Figure 9. Internal defect investigation of aluminum alloy propellers through CT analysis: (a) commercially available Al-7Si-0.3Mg alloy propeller; (b) developed LPDC Al-6Zn-2Mg-1.5Cu propeller.