ATOMFAIR® IN738RESEARCH 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 specifies the environmental and containment requirements for preserving the chemical and microstructural integrity of the IN738 powder. Adherence to these constraints is mandatory to prevent phase contamination and degradation prior to thermal validation.
- Sealing Requirement: Seal containers tightly after each use to prevent moisture and oxygen ingress.
- Inert Atmosphere Handling: Handle the powder exclusively within an anhydrous inert gas environment, such as an argon-filled glovebox.
- Packaging Specification: Use sealed argon-filled protective bottles or vacuum containment drums for storage and transport.
- Ambient Exposure Avoidance: Avoid exposure to ambient atmosphere to prevent phase contamination before thermal validation.
- Tool Cleanliness: Ensure all handling tools and substrates are dry and free of contaminants.
This procedure outlines the steps required to safely handle and prepare the IN738 powder for thermal processing while maintaining its integrity. Execution under inert gas is critical to prevent degradation.
Required Equipment: Argon-filled glovebox, Sealed storage container, Additive manufacturing system, Inert gas supply
- Store
Store the powder in its sealed argon-filled container within a dry, temperature-controlled environment. - Transfer
Transfer the container into an argon-filled glovebox and allow it to equilibrate with the inert atmosphere. - Dispense
Dispense the required amount of powder under the inert gas flow, ensuring no exposure to ambient air. - Load
Load the powder into the additive manufacturing system feed hopper using sealed transfer vessels. - Complete
Complete the build cycle and perform thermal validation according to the process specification.
How do the mechanical properties of Atomfair IN738 powder at room temperature compare to those at 900°C?
At room temperature, the heat-treated IN738 powder exhibits tensile strength ≥1000 MPa, yield strength ≥700 MPa, and elongation ≥10.0%. At 900°C, tensile strength decreases to ≥500 MPa, yield strength to ≥400 MPa, and elongation to ≥8.0%, reflecting a significant but controlled reduction in strength while maintaining ductility suitable for high-temperature component validation.
Is Atomfair IN738 powder suitable for use in as-printed condition, or does it require post-processing heat treatment to achieve the stated mechanical properties?
The mechanical parameters listed in the specification are explicitly for heat-treated XY orientation. While the powder is designed for additive manufacturing, achieving the stated tensile, yield, and elongation values requires a post-processing heat treatment. The exact heat treatment cycle is not specified in the source, but the product is processed under strict aerospace industry standards compliance.
What are the mandatory storage and handling requirements for Atomfair IN738 powder to prevent degradation?
The powder is highly sensitive to ambient exposure and must be stored in sealed argon-filled protective bottles or specialized vacuum containment drums. All handling must be performed exclusively within an anhydrous inert gas environment to prevent phase contamination or degradation before thermal validation.
ATOMFAIR IN738 is a spherical nickel-based superalloy powder designed for high-temperature additive manufacturing, offering high sphericity (≥0.9), excellent flowability (≤18 s/50g), and retained tensile strength ≥500 MPa at 900°C, but requires inert gas handling to prevent ambient contamination and post-process heat treatment to achieve the specified mechanical properties.
Positive
- High sphericity and flowability for AM: Sphericity ≥0.9 and flowability ≤18 s/50g ensure consistent powder bed deposition and minimize packing defects during additive manufacturing.
- High-temperature mechanical strength: Retains tensile strength ≥500 MPa and yield strength ≥400 MPa at 900°C, enabling structural integrity in elevated-temperature applications.
Trade-offs
- Ambient exposure sensitivity: The powder is highly sensitive to oxidation and moisture; must be handled in anhydrous inert gas environments and sealed containers to prevent phase contamination.
- Post-process heat treatment required: Mechanical properties listed are for heat-treated (XY orientation) specimens; as-printed components may require additional thermal processing to achieve specified strength.
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).
