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About AST
About AST
Wuhan Amber Stress Tech. (AST) specializes in X-ray diffraction (XRD) based residual stress analysis. We deliver precision measurement services to academic institutions, industrial enterprises, and R&D organizations, offering tailored solutions for diverse metallic materials and engineered components. Our commitment to scientific rigor ensures reliable residual stress characterization through customized testing protocols and advanced XRD methodologies.
Analytical Solutions：
1. Residual Stress Measurement Services
Compliance: ASTM E915, E2860, E1426 & SAE HS-784
Capabilities: Depth profiling | Stress tensor mapping | Multiaxial stress quantification
Methodologies: mono-wavelength (Cu, Cr, Mn) XRD with Ψ-γ goniometry
2. Retained Austenite & Microstructure Analysis
Standards: ASTM E975 | SAE SP-453
Advanced Protocols: Rietveld refinement crystallography | Carbide precipitation quantification
Supplementary: Martensite transformation kinetics modeling
3. Powder Diffraction Diagnostics
Core Services: Phase identification (ICDD PDF-4+ database) | Quantitative RIR analysis
Specialized: Nitride layer stoichiometry evaluation | Thin-film stress gradients
Featured Instrumentation: XL-640 X-Ray Stress Analyzer (Gen III) ：
Next-generation stress analysis platform with ISO 17025-compliant operation
Key Advantages:
✓ On-site measurement capability for large components
✓ Automated ψ-axis collimator alignment
✓ Stress depth profiling via layer removal protocol
Deployment:
The XL-640 delivers laboratory-grade precision in portable field operations, backed by our ISO-certified global distribution network. Contact us to schedule a demonstration or request project-specific validation reports.
Application Cases：
Thin-walled components
Thin-walled components
Residual stress of gear roots
Residual stress of gear roots
Inner cavity of casting parts
Inner cavity of casting parts
Aircraft engine components
Aircraft engine components
Automotive welded parts
Automotive welded parts
Additive manufacturing parts
Additive manufacturing parts
Table of Crystal Structures, Radiation, Filters, Crystal Planes, and Diffraction Angles for Commonly Used Materials:
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