Validation & Qualification · Capability Pillar 3 of 4
Cold Plate Validation and Qualification
Every ToneCooling cold plate undergoes 100 % production-line QA at our IATF 16949-aligned partner facility in Huizhou before shipment to Australia. Standard validation pack: helium leak ≤ 1×10⁻⁹ mbar·L/s, ultrasonic C-scan 100% inspection of the bonded interface, pressure and flow performance testing, environmental reliability per AS/NZS 60068-2-14 thermal cycling and humidity exposure. Real production-line evidence: TC-1P104S production-line sample, production batch — air-tightness 4 Pa measured against 30 Pa specification per QC/T 468-2010. Lot-traceable inspection certificates accompany every shipment.
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Engineering Reference & Standards
What standards govern ToneCooling cold plate validation before shipment to Australia?
What does the production-line validation pack include?
Helium leak detection · HLT560
Mass-spectrometer leak rate ≤ 1×10⁻⁹ mbar·L/s on every production unit. Two to three orders of magnitude tighter than typical industry specifications.
Ultrasonic C-scan · S800
100 % C-scan imaging on TLP-bonded and brazed cold plates. Detects bond-line voids and disbonds before hydraulic and thermal validation.
Pressure-drop / flow rate verification
ΔP measurement at programme-specified coolant flow rate and chemistry (50/50 EGW · 25 % PG · DI water). Comparison to CFD prediction baseline.
AS/NZS 60068-2-14 ≡ IEC 60068-2-14:2009
Endurance evidence across −40 °C to 150 °C and 20–98 % RH. Typical 1000-cycle accelerated thermal-cycling sequence with leak retest at end.
Helium leak detection (100%)
High-sensitivity helium mass-spectrometer leak detector applied to every production cold plate. Sensitivity ≤ 1×10⁻⁹ mbar·L/s.
≤ 1×10⁻⁹ mbar·L/s · per ASTM standardUltrasonic C-scan (100%)
Non-destructive inspection of the bonded interface per ASTM E2375-22. 2-D image of bonded plane shows void-free bonding (uniform colour) or voids (dark patches).
100% per production unitHydraulic pressure & flow
ΔP measured against design specification at rated flow rate. Pressure-cycle testing for structural integrity. Burst-pressure testing on lot samples.
Working 0.35 MPa · burst 4 MPa typ.Environmental reliability
Thermal cycling endurance per AS/NZS 60068-2-14 (−40 °C to +150 °C, 100–1,000 cycles). Humidity exposure 20–98% RH per IEC 60068-2-78. Salt-spray per ISO 9227.
−40 °C to 150 °C · 20–98% RHWhat does ToneCooling Australia's real production validation evidence look like?
| Sample | Test method | Specification | Measured | Result |
|---|---|---|---|---|
| TC-1P104S the production sample | QC/T 468-2010 pressure-decay | < 30 Pa | 4 Pa | PASS |
| TC-1P104S lot sample | Hydrostatic burst | ≥ 4 MPa | 4 MPa | PASS |
| TC-1P104S CFD REV-0 | CFD ΔP at 10 L/min | Per specification | 21.2 kPa | VERIFIED |
| TC-1P104S CFD REV-0 | Cell-top ΔT (104 cells, 15 W/cell) | ≤ 8 °C | 6.2 °C | PASS |
What validation & qualification questions do Australian engineers ask?
What tests are run on every cold plate?
Helium leak ≤ 1×10⁻⁹ mbar·L/s, ultrasonic C-scan, hydraulic ΔP, AS/NZS 60068-2-14 thermal cycling, IEC 60068-2-78 humidity. TC-1P104S production-line sample measured 4 Pa against 30 Pa specification.
What is the helium leak rate sensitivity?
≤ 1×10⁻⁹ mbar·L/s — two orders of magnitude tighter than industrial pressure-decay (10⁻⁷). Required for hyperscaler-grade direct-to-chip cooling.
How does ultrasonic C-scan work?
Non-destructive inspection per ASTM E2375-22; 2-D image of bonded plane shows void-free (uniform) or voids (dark). 100% production unit inspection.
What thermal cycling envelopes are qualified?
AS/NZS 60068-2-14:2014 (IEC 60068-2-14:2009 adoption): −40 °C to +150 °C, 100–1,000 cycles per qualification, 30-min dwell per extreme.
What documentation accompanies a shipment?
Per cold plate: helium leak cert, C-scan report, ΔP test record. Per lot: RoHS 2.0 + PFAS-free SGS, AS/NZS 60068-2-14 endurance, ChAFTA Cert. of Origin, AUD invoice.
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Related ToneCooling Australia pages
TLP Diffusion Bonding
Core manufacturing IP — 5-min cycle, 99% yield, 0.85 bond strength. C-scan verified.
View capability → CAPABILITYAS/NZS Compliance Support
AS/NZS 5139, 4777, 60068-2-14, 60529, ChAFTA documentation handoff.
View capability → RESOURCEAS/NZS Standards Reference
24+ AS/NZS / IEC / ISO / EN standards mapped across 7 categories.
View reference → RESOURCEBESS Cold Plate Design Guide
Validation methodology, AS/NZS 60068-2-14 thermal cycling endurance reports.
Read the guide →Discuss your validation scope
Standard validation pack + AS/NZS endurance + PPAP 1–5 supported. Carlton-coordinated 24-hour response.
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