Source

• DOI: https://doi.org/10.1016/j.jeurceramsoc.2014.09.035
• Year: 2015

Powder Details

Powder Source	Powder Size (microns)	Hf impurity (wt.%)	C impurity (wt.%)
Grade B, H.C. Starck, Goslar, Germany	2	1.9	Not measured

Composition

Zr (wt.%)	B (wt.%)	C (wt.%)	Hf (wt.%)	W (wt.%)	Fe (wt.%)	O (wt.%)	Ti (wt.%)	Y (wt.%)
79.18	17.03	2	1.65	0.005	0.001	0.13	0	0

Milling Details

Milling Media	Milling Time (mins)	Milling Speed (rpm)	Milling media contamination	Post Sieve Size (microns)
ZrB2	120	600	0.1 wt% ZrB2	Less than 149

Processing details

• Time: 138 ˚C/min; 30 mins; 130 ˚C/min; 60 mins; 130 ˚C/min; 60 mins; 130 ˚C/min; 60 mins; 80 ˚C/min; 70 min; cooling; cooling
• Pressure: 10^5 Pa; 10^5 Pa; 27 Pa; 27 Pa; 27 Pa; 27 Pa; 27 Pa; 27 Pa; 10^5 Pa; 10^7 Pa; 10^7 Pa; 10^5 Pa;
• Temperature: 600 ˚C; 600 ˚C; 1250 ˚C; 1250 ˚C; 1450 ˚C; 1450 ˚C; 1600 ˚C; 1600 ˚C; 2150 ˚C; 2150 ˚C; 1600 ˚C; 25 ˚C
• Atmosphere: Ar-10%H2; Ar-10%H2; Vacuum; Vacuum; Vacuum; Vacuum; Vacuum; Vacuum; Ar-10%H2; Ar-10%H2; Ar-10%H2; Ar-10%H2

Density and Grain Size

• Bulk Density: 5.97
• Relative Density: 100
• Porosity: Not measured
• Grain Size: Not measured

Thermal Properties

• Thermal Conductivity at RT (W/mK): 87.82
• Heat Capacity at RT (J/kgK): Not measured
• Thermal Diffusivity at RT (cm2/s): Not measured

Mechanical Properties

• Flexural Strength (MPa): Not measured
• Elastic Modulus (GPa): Not measured
• Fracture Toughness (MPa.m1/2): Not measured
• Vicker Hardness (GPa): Not measured