ANSI
ANSI Z136.1 - Safe Use of Lasers
Ikmanda RoswatiPh.D.Indonesia
Ultrafast Laser Physics and Material InteractionsPublished
Dec 16, 2025
Titanium Laser Cleaning
Titanium excels in laser cleaning applications because of its exceptional corrosion resistance and lightweight structure, which set it apart from denser metals prone to rapid degradation. After treatment, surface already demonstrates uniformity and withstands thermal shock effectively, thus enabling precise contaminant removal without underlying damage.
Laser-Material Interaction
Absorptivity
0.4
0.3
0.4
0.5
Absorption Coefficient
4e7
m⁻¹
2e7
4e7
6e7
Laser Damage Threshold
5
J/cm²
2
5
10
Thermal Shock Resistance
2.5
MW/m
1.5
2.5
3.5
Reflectivity
0.6
0.5
0.6
0.7
Thermal Destruction Point
1,941
K
1,900
1,941
2,000
Vapor Pressure
10
Pa
0.1
10
100
Thermal Destruction
1,941
K
256
1,941
3,859
Specific Heat
522
J/kg·K
43.4
522
1,905
Laser Reflectivity
0.66
0.4
0.66
73.5
Thermal Conductivity
21.9
W/m·K
7.4
21.9
450
Thermal Expansion
8.6e-6
K^{-1}
4e-6
8.6e-6
31.7
Laser Absorption
0.42
0.02
0.42
4.2e8
Thermal Diffusivity
9.3e-6
m²/s
2e-6
9.3e-6
0
Ablation Threshold
1.5
J/cm²
0.09
1.5
4.3
Titanium Laser Cleaning Material Characteristics
Youngs Modulus
110
GPa
10.4
110
2e11
Oxidation Resistance
698
K
-554
698
1,762
Density
4,510
kg/m³
1.7
4,510
9,408
Hardness
160
HV
0.2
160
3,500
Corrosion Resistance
0.001
mm/year
-1.1
0.001
1.1e6
Compressive Strength
414
MPa
8
414
2,625
Flexural Strength
345
MPa
11.4
345
2,897
Tensile Strength
345
MPa
3
345
3,000
Fracture Toughness
55
MPa√m
0.67
55
157
Porosity
0
fraction
0
0
15
Electrical Resistivity
4.2e-7
Ω·m
0
4.2e-7
2e-6
Absorptivity
0.36
0.02
0.36
0.6
Boiling Point
3,560
K
929
3,560
6,454
Absorption Coefficient
4.4e7
m^{-1}
5.9e5
4.4e7
9.9e7
Electrical Conductivity
2.4e6
S/m
6.6e5
2.4e6
6.6e7
Melting Point
1,941
K
133
1,941
3,865
Vapor Pressure
1.2e-62
Pa
0
1.2e-62
1.1e5
Thermal Destruction Point
1,941
K
133
1,941
3,865
Reflectivity
0.46
0.35
0.46
1
Thermal Shock Resistance
252
K
6.7
252
3.8e5
Surface Roughness
1.6
μm
0.02
1.6
6.6
Laser Damage Threshold
2.1
J/cm²
0.27
2.1
1.6e4
Thermal Destruction
1,941
K
256
1,941
3,859
Specific Heat
522
J/kg·K
43.4
522
1,905
Laser Reflectivity
0.66
0.4
0.66
73.5
Thermal Conductivity
21.9
W/m·K
7.4
21.9
450
Thermal Expansion
8.6e-6
K^{-1}
4e-6
8.6e-6
31.7
Laser Absorption
0.42
0.02
0.42
4.2e8
Thermal Diffusivity
9.3e-6
m²/s
2e-6
9.3e-6
0
Ablation Threshold
1.5
J/cm²
0.09
1.5
4.3
Titanium surface magnification
Before Treatment
When examining the contaminated titanium surface at 1000x magnification, you spot irregular patches of grime and oxide buildup clinging tightly. These dark spots create uneven textures that scatter light oddly across the metal. Make sure you note how this dulls the overall shine before any cleaning starts.
After Treatment
After laser treatment on the titanium surface at 1000x magnification, you see a smooth, even layer free of those stubborn residues. The metal now reflects light cleanly without any rough interruptions. Watch out for
Regulatory Standards & Compliance
IEC
IEC 60825 - Safety of Laser Products
OSHA
OSHA 29 CFR 1926.95 - Personal Protective Equipment
Titanium Laser Cleaning Laser Cleaning FAQs
Q: Titanium in Industrial Use and Laser Cleaning
A: What makes titanium a go-to metal in industry?
Titanium stands out as a lightweight metal with strong corrosion resistance. We use it in aerospace parts, medical implants, and chemical processing equipment because it holds up well under tough conditions. Its density sits around 4.5 g/cm³, so components stay light yet durable.
Key physical properties for handling titanium?
This metal has a specific heat of roughly 522 J/kg·K, meaning it absorbs heat steadily without quick jumps in temperature. Melting starts at about 1941 K, which helps during high-heat processes. But watch for oxidation at those temps—it can form a tough oxide layer.
How does laser cleaning apply to titanium?
Laser cleaning removes contaminants like oils or rust from titanium surfaces without damaging the base metal. The process works by vaporizing dirt through precise energy pulses. For titanium, start with a power around 100 W to clear buildup safely. This keeps the surface clean for welding or coating, and it avoids chemicals that might etch the material. Just adjust based on the contaminant thickness—thicker layers need a bit more time.
