ATOMFAIR® HAYNES 188 COBALT SUPERALLOY POWDERRESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This document outlines the environmental sensitivity and processing compatibility requirements for the ATOMFAIR® Haynes 188 cobalt superalloy powder. Adherence to these constraints is critical to prevent phase contamination and ensure successful selective laser melting outcomes.
- Ambient Exposure Sensitivity: Keep containers tightly sealed and handle the powder exclusively within an anhydrous inert gas environment to prevent phase contamination or degradation.
- Argon Backfill Protection: The powder is shipped in airtight canisters backfilled with high-purity argon to block atmospheric phase structural breakdown.
- SLM Processing Compatibility: The powder is optimized specifically for selective laser melting additive print layers, requiring compatible printing parameters.
- Storage Condition: Store containers in a dry, inert atmosphere to maintain material integrity before thermal validation.
How does the particle size distribution of ATOMFAIR Haynes 188 powder affect flowability and mechanical performance in laser powder bed fusion?
The specified particle size distribution, with D10 ≥15 μm, D50 30–40 μm, and D90 ≤60 μm, combined with sphericity ≥0.9 and flowability ≤18 s/50g, ensures consistent layer spreading and defect-free deposition. This geometry supports the reported mechanical properties—tensile strength ≥850 MPa, yield strength ≥400 MPa, and elongation ≥40.0% at room temperature—by minimizing internal porosity and enabling uniform densification during SLM processing.
What are the specific application constraints for using Haynes 188 powder in aero-engine combustion chamber components?
The powder is explicitly optimized for selective laser melting (SLM) to manufacture extreme high-temperature structural parts such as aero-engine combustion chamber flame tubes and guide vanes. Its lanthanum and high-chromium composition (Cr 20.0–24.0%, La 0.03–0.12%) provides elite sulfidation and oxidation resistance, while retaining ductility ≥40.0% at 980°C. Processed under ISO standard compliance, the powder requires strict control of particle size and sphericity to achieve the specified tensile strength ≥190 MPa at 980°C.
What are the critical storage and handling requirements to prevent phase contamination of ATOMFAIR Haynes 188 powder?
The powder is supplied in heavy airtight laboratory storage canisters backfilled with high-purity argon gas to block atmospheric phase structural breakdown. Exposure to ambient air can cause phase contamination or degradation before thermal validation, so containers must be kept tightly sealed or handled exclusively within an anhydrous inert gas environment. This precaution is essential to preserve the powder's mechanical integrity and flow properties for reliable AM processing.
The ATOMFAIR® Haynes 188 cobalt superalloy powder is a research-grade, gas-atomized spherical powder engineered for high-temperature additive manufacturing, offering exceptional sulfidation resistance, high-temperature ductility, and optimized flowability for SLM processes, but requiring strict inert atmosphere handling to prevent degradation.
Positive
- Sulfidation & Oxidation Resistance: Lanthanum and high-chromium modifications provide elite scaling limits under aggressive thermal cycles, enabling extended service in high-temperature corrosive environments.
- Superior Powder Flowability: Spherical particle geometry (≥0.9 sphericity) and fast flow metrics (≤18 s/50g) ensure consistent layer spreading without internal defects in SLM processes.
Trade-offs
- Ambient Sensitivity: The powder is highly sensitive to ambient exposure and must be stored in airtight argon-backfilled containers or handled exclusively in anhydrous inert gas environments to prevent phase contamination or degradation.
- SLM-Optimized Applicability: The powder is optimized specifically for Selective Laser Melting (SLM) additive manufacturing; performance in other powder-bed or directed-energy deposition processes may require revalidation.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
