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    • Erbium

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    Catalog Number
    ACM7440520
    CAS Number
    7440-52-0
    Product Name
    Erbium
    Structure
    Category
    3D Printing Materials
    Synonyms
    Erbium Nanoparticle Dispersion; CTK0H6979; Erbium, foil, 50x50mm, thickness 1.0mm, as rolled, 99%; Erbium, wire reel, 50mm, diameter 1.0mm, hard, 99.9%; Erbium, lump, 25 mm max. lump size, weight 300 g, purity 99%; Erbium powder; Erbium ingot; 68Er; AC1L2N4K; Erbium, rod, 50mm, diameter 10.0mm, cast, 99%;
    IUPAC Name
    erbium;
    Molecular Weight
    167.259g/mol
    Molecular Formula
    Er;
    Canonical SMILES
    [Er];
    InChI
    InChI=1S/Er;
    InChI Key
    UYAHIZSMUZPPFV-UHFFFAOYSA-N;
    Application
    Erbium has limited commercial use, but it is used as an alloy metal for vanadium to makeit easier to work and to form spring steel. The oxide of erbium is pink, which is used to colorglass and to make lasers that will operate at normal room temperatures. It has limited use ascontrol rods in nuclear fission reactors.
    Covalently-Bonded Unit Count
    1
    EC Number
    231-160-1
    Exact Mass
    165.93g/mol
    Heavy Atom Count
    1
    Monoisotopic Mass
    165.93g/mol
    Topological Polar Surface Area
    0A^2
    UNII
    77B218D3YE
    MSDS
    Download MSDS
    COA
    Download COA
    Spec Sheet
    Download Spec Sheet
    Case Study

    Erbium Powder Used to Improve Defects in Selective Laser Melting of 7075 Aluminum Alloy

    Zhang, Xuhui, et al. Virtual and Physical Prototyping, 2022, 17(2), 406-418.

    7××× series aluminum alloy is a high-performance, lightweight alloy with a wide range of applications. However, 7075 aluminum alloy is prone to cracks during the selective laser melted (SLMed) manufacturing process. Erbium (Er) can modify aluminum alloys to prevent cracks during the manufacturing process.
    Effect of adding Er on aluminum alloy
    Samples were fabricated using 7075 aluminum alloy powder unmixed and mixed with 2 wt% Er element powder.
    · After adding Er, the crack density decreases, but the porosity increases.
    · Er additives exist in the form of unmelted particles and submicron Al3Er.
    · The consistency between the aluminum matrix and Al3Er is conducive to grain refinement, thereby reducing cracks.
    · Due to insufficient energy density, Er with a high melting point is not completely melted, resulting in higher porosity.

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