PVD Coating Wear Resistance: The 2024 Data-Driven Guide for Surface Finishing Success
1. What PVD Coating Wear Resistance Really Means
| Metric | PVD TiAlCrN | Electroplated Ni | Spray Paint |
|---|---|---|---|
| Hardness (HV) | 2 800–3 500 | 700 | 200 |
| Wear Rate @ 600 °C (mm³/N·m) | 1.1×10⁻⁶ | 5.0×10⁻⁵ | 1.2×10⁻⁴ |
| Salt-Spray (h) | 1 200 | 48 | 48 |
| Max Service Temp (°C) | 1 000 | 300 | 150 |
| REACH Status | ✅ Compliant | ⚠️ Restricted | ⚠️ Restricted |
2. 2024 Wear-Resistance Benchmark (Table)
| Stack | Hardness (HV) | Wear Rate (mm³/N·m) | Salt-Spray (h) | Typical Use |
|---|---|---|---|---|
| TiAlCrN (HiPIMS) | 2 900 | 1.1×10⁻⁶ | 1 200 | Turbine blades |
| CrAlON (Filtered Arc) | 2 600 | 1.8×10⁻⁶ | 800 | EV motor punches |
| ta-C DLC (Ion Plating) | 3 000 | 5.2×10⁻⁷ | 1 000 | Medical drills |
| SiBON (PECVD Hybrid) | 2 400 | 9.0×10⁻⁷ | 900 | Petro-chem valves |
3. How Wear Resistance Is Measured – Lab to Field
| Test | Standard | KPI | Result |
|---|---|---|---|
| Pin-on-Disc | ASTM G99 | Wear rate | 1.1×10⁻⁶ mm³/N·m |
| Salt-Spray | ASTM B117 | Corrosion hours | 1 200 h |
| Scratch Adhesion | ISO 20502 | Scratch load | 110 N |
| Thermal Cycle | MIL-STD-810 | ΔT 1 000 °C | 0 delamination |
4. Three 2024 Case Studies
Case 1 – Aerospace Turbine Blade
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Client: European OEM, 2024
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Challenge: 850 °C fretting at dovetail
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Stack: TiAlCrN 2 µm + a-C:H 200 nm
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Outcome: Wear scar < 5 µm after 1 000 h; maintenance interval doubled
Case 2 – EV Motor Lamination Die
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Client: US EV Tier-1, 2024
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Challenge: 0.35 mm electrical steel sticking at 400 °C
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Stack: CrAlON 1.8 µm + a-C:H 50 nm
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Outcome: Tool life 4× longer, scrap −40 %
Case 3 – Medical Drill
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Client: US MedTech startup, 2024
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Challenge: 316L needs CE-compliant low-friction finish
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Stack: ta-C 300 nm + Cr 30 nm adhesion
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Outcome: Penetration force −25 %, CE mark granted
5. Global Standards & Sustainability
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ISO 9001:2015 / IATF 16949 / ISO 13485
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REACH, RoHS, FDA 21 CFR §175.300
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Energy: 0.45 kWh per m²
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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 |
7. FAQs – Which Stack for Which Wear Load?
| Load Level | Recommended Stack |
|---|---|
| Light (≤ 100 MPa) | TiCN 1 µm |
| Medium (100–500 MPa) | CrAlON 2 µm |
| Heavy (>500 MPa / 800 °C) | TiAlCrN 2 µm + a-C:H |
8. How to Order Tomorrow
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Email [email protected] with STEP/IGES.
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State substrate, load, temperature, thickness budget.
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Receive DFM + wear-resistance stack + quote within 48 h.
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Approve → 3-day prototype → volume ramp.
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Contact JLY Precision Tech—the China expert who delivers 1.1×10⁻⁶ mm³/N·m tomorrow
