Hao Zhang, Yaqing Hou, Yazhou He, Haohao Kong, Fafa Li, Hang Su. Influence of Cr Content on the Microstructure and Properties of Laser Powder Bed Fusion FeCr Alloy[J]. Laser & Optoelectronics Progress, 2023, 60(13): 1314004
- Laser & Optoelectronics Progress
- Vol. 60, Issue 13, 1314004 (2023)
Fig. 1. SEM morphologies of powders. (a) Fe powder; (b) Cr powder
Fig. 2. Schematic diagram of the high throughput synthesis platform
Fig. 3. Fe-Cr alloy samples. (a) Photo of FeCr gradient composition sample; (b) laser scanning strategy time
Fig. 4. μ-XRF results of FeCr gradient composition samples. (a) Cr element mass fraction; (b) deviation of Cr element mass fraction
Fig. 5. XRD patterns of FeCr gradient composition specimens
Fig. 6. OM morphology of FeCr gradient composition specimens. (a) Sample cross section; (b) pure iron; (c) Fe2Cr; (d) Fe4Cr; (e) Fe6Cr; (f) Fe8Cr; (g) Fe10Cr; (h) Fe12Cr; (i) Fe14Cr; (j) Fe16Cr; (k) Fe18Cr; (l) Fe20Cr
Fig. 7. OM morphology at high magnification from pure Fe to Fe10Cr. (a) Pure Fe; (b) Fe2Cr; (c) Fe4Cr; (d) Fe6Cr; (e) Fe8Cr; (f) Fe10Cr
Fig. 8. Thermal conductivity of FeCr alloy with different Cr element mass fractions
Fig. 9. Phase diagram of FeCr binary alloy
Fig. 10. Microhardness of specimens with FeCr gradient composition
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Table 1. Powder particle size distribution
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