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← ScienceFollowing laser ablation on oxidized metal, which event determines material removal?
A)Photo-thermal induced phase explosion✓
B)Plasma-assisted chemical vapor etching
C)Laser generated magnetic field ejection
D)Stress wave induced brittle cracking
💡 Explanation
Material is removed by photo-thermal induced phase explosion. The rapid heating causes the material to transition to a superheated unstable state, because the high temperature surpasses the boiling temperature therefore explosive ejection occurs, rather than gradual evaporation or chemical reaction.
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