Xiatech TC6000 Laser Flash Thermal Conductivity Analyzer
| Brand | Xiatech |
|---|---|
| Model | TC6000 |
| Measurement Principle | Laser Flash Method |
| Thermal Conductivity Range | 0.1–2000 W/(m·K) |
| Thermal Diffusivity Range | 0.01–2000 mm²/s |
| Temperature Range | Ambient to 500 °C |
| Heating Rate | ≤100 K/min |
| Accuracy | ±3% for thermal diffusivity, ±5% for specific heat |
| Repeatability | ±2% for thermal diffusivity, ±3% for specific heat |
| Pulse Source | Adjustable Xenon Lamp (max 10 J/pulse) |
| Sampling Frequency | 2 MHz |
| Pulse Interval | Software-Adjustable |
| Sample Geometry | Disc-shaped, Ø12.7 mm, thickness 0.01–6 mm |
| Max Simultaneous Samples | 6 |
| Sample Holders | Graphite, SiC, Al₂O₃, or metal (customizable) |
| Atmosphere | Air (customizable) |
| Sensor Type | InSb detector |
| Test Environment | Ambient pressure |
| Sample Form | Solid only |
Overview
The Xiatech TC6000 Laser Flash Thermal Conductivity Analyzer is an engineered solution for precise, non-contact measurement of thermal diffusivity, thermal conductivity, and specific heat capacity of solid materials using the standardized laser flash method (ASTM E1461, ISO 13826, DIN EN 821-2). This instrument operates on the principle of transient thermal response: a short, high-energy laser pulse uniformly heats the front surface of a thin, flat sample; an infrared detector (InSb) then records the resulting temperature rise on the rear surface over time. By fitting the time-dependent temperature curve to analytical or numerical models—such as the Cowan or Parker models—the thermal diffusivity (α) is derived directly. Combined with measured density (ρ) and specific heat (Cp), thermal conductivity (λ = α·ρ·Cp) is calculated with traceable uncertainty. Designed for research laboratories and quality control environments, the TC6000 supports continuous evaluation of up to six samples per run under ambient-pressure conditions, with programmable heating profiles up to 500 °C and ramp rates up to 100 K/min.
Key Features
- High-fidelity xenon lamp pulse source with adjustable energy output (up to 10 J/pulse), enabling consistent excitation across low- and high-diffusivity materials
- 2 MHz high-speed infrared detection system with InSb sensor, ensuring sub-millisecond temporal resolution for accurate early-time thermal response capture
- Modular furnace design with interchangeable sample holders (graphite, SiC, Al₂O₃, and metallic options), optimized for thermal stability and minimal parasitic heat loss
- Software-controlled pulse interval and delay timing, facilitating optimization for diverse thermal time constants—from ultra-fast ceramics to sluggish polymers
- Robust architecture compliant with GLP and GMP documentation requirements, including full audit trail, user access levels, and electronic signature support per FDA 21 CFR Part 11
- Integrated calibration routines traceable to NIST-certified reference materials (e.g., NIST SRM 735a, sapphire)
Sample Compatibility & Compliance
The TC6000 accepts solid disc-shaped specimens with diameter 12.7 mm and thickness between 0.01 mm and 6 mm—covering dense metals, porous ceramics, anisotropic composites, and brittle geological samples. Sample mounting is standardized for reproducible thermal contact and minimal edge effects. The system operates under ambient atmospheric conditions by default (air), though optional sealed chambers support inert (N₂, Ar) or reactive gas environments. All measurement protocols adhere to international standards: ASTM E1461 for thermal diffusivity, ISO 22007-4 for polymer composites, and ISO 18755 for high-temperature refractories. Data outputs include uncertainty budgets aligned with ISO/IEC 17025 reporting guidelines.
Software & Data Management
Xiatech’s proprietary TC-Studio software provides full instrument control, real-time signal visualization, automated curve fitting (including multi-layer and finite-thickness corrections), and export to CSV, Excel, or XML formats. Raw detector signals are stored with metadata (pulse energy, furnace temperature, ambient humidity, operator ID) for retrospective analysis. The software supports batch processing, statistical comparison across sample sets, and generation of compliance-ready reports—including deviation logs, calibration certificates, and measurement uncertainty statements. Audit trails record all parameter changes, data exports, and user logins, satisfying regulatory requirements for pharmaceutical, aerospace, and nuclear material testing labs.
Applications
- Thermal management R&D for power electronics packaging (e.g., AlN substrates, SiC wafers, TIMs)
- High-temperature characterization of aerospace-grade superalloys and thermal barrier coatings
- Quality assurance of nuclear fuel matrix materials and graphite moderators
- Structure–property correlation in additive-manufactured metals and ceramic matrix composites
- Geophysical modeling using thermal diffusivity data from rock core samples (granite, basalt, shale)
- Validation of molecular dynamics simulations and phonon transport models
FAQ
What sample preparation standards does the TC6000 require?
Samples must be polished, parallel-faced discs (Ø12.7 mm) with surface roughness <0.8 µm Ra and thickness uniformity within ±1%. Coating (e.g., graphite spray) may be applied to enhance IR emissivity for highly reflective metals.
Can the TC6000 measure anisotropic materials?
Yes—by orienting samples to align crystallographic axes with the flash direction and applying directional correction algorithms available in TC-Studio.
Is specific heat measurement included in the standard configuration?
Yes. The TC6000 integrates differential scanning calorimetry (DSC)-based specific heat determination via optional furnace calibration with sapphire reference, compliant with ASTM E1269.
How is system accuracy verified during routine operation?
Daily verification uses certified reference materials (e.g., NIST SRM 735a) with documented deviation tracking; annual recalibration includes lamp energy profiling and detector responsivity mapping.
Does the instrument support remote monitoring and data transfer?
Yes—via Ethernet interface with secure HTTPS API, enabling integration into LIMS and centralized lab data platforms without local workstation dependency.
