Cutting-Based Manufacturing and Surface Wettability of Microtextures on Pure Titanium

Area of Science:

• Materials Science
• Surface Engineering
• Biomedical Engineering

Background:

• Pure titanium is crucial for medical implants due to its biocompatibility and mechanical strength.
• Surface microtexturing enhances titanium's functional properties for biomedical applications.
• Achieving precise microtextures requires high processing accuracy.

Purpose of the Study:

• To fabricate precise microtextures on pure titanium surfaces using precision-cutting methods.
• To investigate the impact of microtexture grid depth on surface wettability.
• To correlate experimental findings with finite element simulations.

Main Methods:

• Finite element modeling (FEM) to predict surface formation during precision cutting.
• Precision-cutting experiments to optimize parameters for microtexture fabrication.
• Surface wettability measurements (contact angle) and surface roughness analysis.
• Fluid-solid coupling FEM for microscopic analysis of droplet-surface interactions.

Main Results:

• Optimized cutting parameters yielded high-precision microtextures with uniform feature sizes on pure titanium.
• Increased microtexture grid depth led to higher surface roughness.
• Macroscopic experiments showed enhanced surface hydrophilicity with increased grid depth.
• Microscopic simulations revealed that deeper microtextures reduce droplet cohesive forces, improving hydrophilicity.

Conclusions:

• Precision cutting is an effective method for fabricating microtextured pure titanium with controlled surface properties.
• Microtexture grid depth is a critical parameter for enhancing titanium's surface hydrophilicity.
• The combination of experimental and simulation approaches provides a comprehensive understanding of surface modification effects.