Equation of state of a low-sulfur iron–nickel alloy up to 143 GPa

Key Points

• The equation of state reveals critical phase transitions above 100 GPa, enhancing material understanding.
• At 143 GPa, the alloy shows significant stability, maintaining structural integrity under extreme pressure conditions.
• Observational analysis across various pressure levels uncovers unique material characteristics of low-sulfur iron-nickel alloys.
• These findings support future material applications and stress testing for high-pressure environments.