Discover how cathodic arc deposition creates 3 000 HV, 1 000 °C-stable coatings. JLY Precision Tech explains the process, 2024 data, and 3 exclusive case studies.

July 24, 2025

Cathodic Arc Deposition: From Spark to Surface Perfection in China

1. What Is Cathodic Arc Deposition?

Metric Cathodic Arc Magnetron Sputter Electroplated Ni Thickness Range 0.1–5 µm 1–5 µm 5–50 µm Hardness (HV) 3 000 2 500–3 200 700 Max Service Temp 1 000 °C 400 °C 300 °C Droplet-Free ✅ Filtered N/A N/A REACH Status ✅ Compliant Compliant ⚠️ Restricted

2. The 5-Step Cathodic Arc Process – From Spark to Surface

Step Vacuum Level Temp (°C) Action KPI 1 Plasma Clean 10⁻³ mbar 25 Ar⁺ removes oxide & oil Contact angle ≤ 8° 2 Arc Ignition 10⁻³ mbar 150–500 Cathodic arc vaporizes target Arc current 50–200 A 3 Filtered Plasma 10⁻⁴ mbar 150–500 Magnetic filter removes droplets Droplet count < 0.01 % 4 Dense Film Growth 10⁻⁴ mbar 150–500 Vapor condenses on substrate ±3 nm uniformity 5 QA & Pack Air 25 CT + nano-indent + salt-spray CpK ≥ 1.67

3. 2024 Performance Matrix – Arc vs Other PVD Routes

Method Thickness (µm) Hardness (HV) Salt-Spray (h) Max Temp (°C) Typical Use Electroplated Ni 25 700 48 300 Decorative trim Spray Paint 50 200 48 150 Body panels Filtered Arc ta-C 0.5 3 000 1 000 400 Medical drills HiPIMS Sputter 1 3 200 1 200 1 000 EV motor punches Cathodic Arc TiAlCrN 2 2 900 1 200 1 000 Turbine blades

4. Three 2024 Case Studies

Case 1 – Aerospace Turbine Blade

Client: European OEM, 2024
Problem: Fretting at 850 °C dovetail
Arc Stack: TiAlCrN 2 µm + a-C:H 200 nm
Outcome: Wear scar < 5 µm after 1 000 h; maintenance interval doubled

Case 2 – EV Motor Lamination Die

Client: US EV Tier-1, 2024
Problem: 0.35 mm electrical steel sticking at 400 °C
Arc Stack: CrAlON 1.8 µm + a-C:H 50 nm
Outcome: Tool life 4× longer, scrap −40 %

Case 3 – Medical Staple

Client: US MedTech startup, 2024
Problem: 316L needs low-friction piercing
Arc Stack: ta-C 300 nm + Cr 30 nm adhesion
Outcome: Penetration force −25 %, CE mark granted

5. Global Standards & Sustainability

ISO 9001:2015 / IATF 16949 / ISO 13485
REACH, RoHS, FDA 21 CFR §175.300
Energy: 0.45 kWh per m²
Waste: Zero liquid effluent

6. 7-Day Delivery Timeline

Milestone Lead Time DFM + Quote 24 h Prototype (1–10 pcs) 48 h Validation (CT, salt-spray) 5 days Mass Production 7–10 days Door-to-Door Delivery 12 days total