Optical Microstructure, FESEM, Microtensile, and Microhardness Properties of LM 25-B₄Cnp-Grnp Hybrid Composites Manufactured by Selective Laser Melting

Table 2

Research studies on LM 25- B4Cnp-Grnp hybrid composites.

Metal matrix composite	Hardness	Tensile	Composite preparation	Reference
AleMgeSi-T6/fly ash/boron carbide	62 RHN	180 MPa	Stir casting process	Saravana kumar et al., [12]
AA7075/B4C/ZrC hybrid nanocomposite	132 HV	469 MPa	Powder metallurgy techniques	Manohar.G et al., [11]
Al7010/B4C/BN	170 HV	227.089 MPa	Ultrasonic assisted stir casting technique	Gopichand dirisenapu et al., [13]
Al6063 alloy composites/B4C	84 BHN	143 MPa	Ultrasonic assisted stir-casting process	B. Byra reddy, and T. P. Bharathesh [9]
Al2218 alloy and its nano-B4C composites	85.66 BHN	229 MPa	Stir casting process	Vidyadhar pujar et al., [34]
Nanographite and ZrO2-reinforced Al7075 alloy	75 BHN	260 Mpa	Stir casting method	Raj kumar et al., [15]
Al12Si + 10%TiN	156 HV	347 Mpa	Selective laser melting	Xaiopeng Li et al., (2022) [35]
A356/B4C composite	77 BHN	271 Mpa	Electromagnetic stir casting process with vacuum	Shyam lal et al., (2020) [36]
Al6061-SiC-graphite hybrid surface composite	1.2 Gpa	82 Gpa	Friction stir processing	Abhishek sharma [16]
Nano- and micro-Gr/aluminium 6061 alloy	63 HRC	165 MPa	Two step stir castingtwo step stir casting	Rajkumar and santosh [17]