{"id":3876,"date":"2024-03-18T06:10:10","date_gmt":"2024-03-18T06:10:10","guid":{"rendered":"https:\/\/3dp.45612300.xyz\/product\/best-in939-powder-for-3d-printing-in-2023\/"},"modified":"2024-03-18T06:10:10","modified_gmt":"2024-03-18T06:10:10","slug":"best-in939-powder-for-3d-printing-in-2023","status":"publish","type":"product","link":"https:\/\/3dpmetal.com\/pt_br\/product\/best-in939-powder-for-3d-printing-in-2023\/","title":{"rendered":"Best IN939 Powder for 3D Printing in 2023"},"content":{"rendered":"

<\/p>\n

Overview of IN939 Powder for 3D Printing<\/strong><\/h2>\n

IN939 is a high-performance nickel-based superalloy powder designed for additive manufacturing of critical components needing exceptional mechanical properties at high temperatures. This article provides a comprehensive guide to IN939 powder for 3D printing applications across aerospace, automotive, energy and industrial sectors.<\/p>\n

Key aspects covered include IN939 composition, properties, print parameters, applications, specifications, suppliers, handling, inspection, comparisons to alternatives, advantages and limitations, and frequently asked questions. Quantitative data is presented in easy-to-reference tables.<\/p>\n

Composition of IN939 Powder<\/strong><\/h3>\n

IN939 has a complex precipitation hardening alloy composition:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Elemento<\/th>\n% do Peso<\/th>\nObjetivo<\/th>\n<\/tr>\n<\/thead>\n
N\u00edquel<\/td>\nEquil\u00edbrio<\/td>\nElemento da matriz principal<\/td>\n<\/tr>\n
Cromo<\/td>\n15 – 18<\/td>\nResist\u00eancia \u00e0 oxida\u00e7\u00e3o<\/td>\n<\/tr>\n
Alum\u00ednio<\/td>\n3.8 – 4.8<\/td>\nEndurecimento por precipita\u00e7\u00e3o<\/td>\n<\/tr>\n
Tit\u00e2nio<\/td>\n0.9 – 1.4<\/td>\nEndurecimento por precipita\u00e7\u00e3o<\/td>\n<\/tr>\n
Cobalto<\/td>\n12 – 15<\/td>\nSolid solution strengthening<\/td>\n<\/tr>\n
T\u00e2ntalo<\/td>\n3.8 – 4.8<\/td>\nFormador de metal duro<\/td>\n<\/tr>\n
Carbono<\/td>\n0.05 – 0.15<\/td>\nFormador de metal duro<\/td>\n<\/tr>\n
Boro<\/td>\n0.006 – 0.012<\/td>\nGrain boundary strengthener<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Trace quantities of zirconium, magnesium and sulphur are also added for enhanced properties.<\/p>\n

Properties of IN939 Powder<\/strong><\/h3>\n

IN939 possesses an exceptional combination of properties:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Propriedade<\/th>\nDescri\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n
alta resist\u00eancia<\/td>\nExcellent tensile and creep rupture strength up to 1050\u00a1\u00abC<\/td>\n<\/tr>\n
Estabilidade t\u00e9rmica<\/td>\nStrength maintained up to 1000\u00a1\u00abC<\/td>\n<\/tr>\n
Creep resistance<\/td>\nHigh stress-rupture life at high temperatures<\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 oxida\u00e7\u00e3o<\/td>\nForms protective Cr2O3 oxide scale<\/td>\n<\/tr>\n
Thermal fatigue resistance<\/td>\nResists cracking during thermal cycling<\/td>\n<\/tr>\n
Phase stability<\/td>\nMicrostructure stable after prolonged exposures<\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 corros\u00e3o<\/td>\nResistant to hot corrosion, oxidation, sulfidation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The properties enable use under extreme thermal and mechanical loads.<\/p>\n

3D Printing Parameters for IN939 Powder<\/strong><\/h3>\n

Typical AM processing parameters for IN939 include:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Par\u00e2metro<\/th>\nValor t\u00edpico<\/th>\nObjetivo<\/th>\n<\/tr>\n<\/thead>\n
Layer thickness<\/td>\n20-50 \u00b5m<\/td>\nResolution vs build speed<\/td>\n<\/tr>\n
Pot\u00eancia do laser<\/td>\n250-500 W<\/td>\nDerretimento suficiente sem evapora\u00e7\u00e3o<\/td>\n<\/tr>\n
Velocidade de digitaliza\u00e7\u00e3o<\/td>\n800-1200 mm\/s<\/td>\nDensity vs production rate<\/td>\n<\/tr>\n
Espa\u00e7amento da escotilha<\/td>\n100-200 \u00c3\u00d7m<\/td>\nPropriedades mec\u00e2nicas<\/td>\n<\/tr>\n
Estrutura de suporte<\/td>\nM\u00ednimo<\/td>\nF\u00e1cil remo\u00e7\u00e3o<\/td>\n<\/tr>\n
Prensagem isost\u00e1tica a quente<\/td>\n1160\u00a1\u00abC, 100 MPa, 3h<\/td>\nEliminar a porosidade<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Parameters are optimized for attributes like density, microstructure, build rate, and post-processing requirements.<\/p>\n

Applications of 3D Printed IN939 Parts<\/strong><\/h3>\n

Additively manufactured IN939 components serve critical applications including:<\/p>\n\n\n\n\n\n\n\n\n
Ind\u00fastria<\/th>\nComponentes<\/th>\n<\/tr>\n<\/thead>\n
Aeroespacial<\/td>\nP\u00e1s de turbina, paletas e c\u00e2mara de combust\u00e3o<\/td>\n<\/tr>\n
Gera\u00e7\u00e3o de energia<\/td>\nHot gas path parts, heat exchangers<\/td>\n<\/tr>\n
Automotivo<\/td>\nTurbocharger wheels, valves<\/td>\n<\/tr>\n
Processamento qu\u00edmico<\/td>\nBombas, v\u00e1lvulas, vasos de rea\u00e7\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Benefits over conventionally processed IN939 include complex geometries and reduced lead time.<\/p>\n

Specifications of IN939 Powder for 3D Printing<\/strong><\/h3>\n

IN939 powder for AM must meet exacting specifications:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Par\u00e2metro<\/th>\nEspecifica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n
Tamanho das part\u00edculas<\/td>\n15-45 \u00d7m t\u00edpico<\/td>\n<\/tr>\n
Formas das Part\u00edculas<\/td>\nMorfologia esf\u00e9rica<\/td>\n<\/tr>\n
Densidade Aparente<\/td>\n> 4 g\/cc<\/td>\n<\/tr>\n
Densidade de Batida<\/td>\n> 6 g\/cc<\/td>\n<\/tr>\n
Vaz\u00e3o de fluxo do corredor<\/td>\n> 23 segundos para 50 g<\/td>\n<\/tr>\n
Pureza<\/td>\n>99,9%<\/td>\n<\/tr>\n
Conte\u00fado de oxig\u00eanio<\/td>\n< 100 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tighter tolerances, custom size distributions, and controlled impurity levels available.<\/p>\n

Suppliers of IN939 Powder<\/strong><\/h3>\n

Reputable suppliers of IN939 powder include:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Fornecedor<\/th>\nLocaliza\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n
Sandvik Osprey<\/td>\nReino Unido<\/td>\n<\/tr>\n
Aditivo Carpenter<\/td>\nEstados Unidos<\/td>\n<\/tr>\n
Praxair<\/td>\nEstados Unidos<\/td>\n<\/tr>\n
AP&C<\/td>\nCanad\u00e1<\/td>\n<\/tr>\n
Erasteel<\/td>\nSu\u00e9cia<\/td>\n<\/tr>\n
AMETEK<\/td>\nEstados Unidos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pricing for IN939 powder ranges from $110\/kg to over $220\/kg based on quality and order volume.<\/p>\n

Handling and Storage of IN939 Powder<\/strong><\/h3>\n

As a reactive powder, careful handling of IN939 is needed:<\/p>\n

    \n
  • Store sealed containers in a cool, inert atmosphere<\/li>\n
  • Prevent contact with moisture, oxygen, acids<\/li>\n
  • Use equipamentos devidamente aterrados<\/li>\n
  • Evite o ac\u00famulo de poeira para minimizar o risco de explos\u00e3o<\/li>\n
  • Recomenda-se ventila\u00e7\u00e3o local com exaust\u00e3o<\/li>\n
  • Wear appropriate PPE while handling<\/li>\n<\/ul>\n

    Proper techniques and controls prevent IN939 powder oxidation or contamination.<\/p>\n

    Inspection and Testing of IN939 Powder<\/strong><\/h3>\n

    IN939 powder is validated using:<\/p>\n\n\n\n\n\n\n\n\n\n\n
    M\u00e9todo<\/th>\nPar\u00e2metros testados<\/th>\n<\/tr>\n<\/thead>\n
    An\u00e1lise granulom\u00e9trica<\/td>\nDistribui\u00e7\u00e3o de Tamanho de Part\u00edcula<\/td>\n<\/tr>\n
    imagens SEM<\/td>\nMorfologia da part\u00edcula<\/td>\n<\/tr>\n
    EDX<\/td>\nQu\u00edmica e composi\u00e7\u00e3o<\/td>\n<\/tr>\n
    XRD<\/td>\nFases presentes<\/td>\n<\/tr>\n
    Picnometria<\/td>\nDensidade<\/td>\n<\/tr>\n
    Vaz\u00e3o de fluxo do corredor<\/td>\nFluidez do p\u00f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Testing per applicable ASTM standards ensures batch consistency.<\/p>\n

    Comparing IN939 to Alternative Alloy Powders<\/strong><\/h3>\n

    IN939 compares to other Ni-based superalloys as:<\/p>\n\n\n\n\n\n\n\n\n
    Liga<\/th>\nResist\u00eancia a altas temperaturas<\/th>\nCusto<\/th>\nCapacidade de impress\u00e3o<\/th>\nDuctilidade<\/th>\n<\/tr>\n<\/thead>\n
    IN939<\/td>\nExcelente<\/td>\nAlto<\/td>\nExcelente<\/td>\nBaixo<\/td>\n<\/tr>\n
    IN738<\/td>\nBom<\/td>\nM\u00e9dio<\/td>\nExcelente<\/td>\nM\u00e9dio<\/td>\n<\/tr>\n
    IN718<\/td>\nRazo\u00e1vel<\/td>\nBaixo<\/td>\nBom<\/td>\nExcelente<\/td>\n<\/tr>\n
    Hastelloy X<\/td>\nExcelente<\/td>\nAlto<\/td>\nRazo\u00e1vel<\/td>\nM\u00e9dio<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    For balanced properties and processability, IN939 supersedes alternatives like IN718 or Hastelloy X.<\/p>\n

    Pros and Cons of IN939 Powder for 3D Printing<\/strong><\/h3>\n\n\n\n\n\n\n\n\n\n
    Pr\u00f3s<\/th>\nContras<\/th>\n<\/tr>\n<\/thead>\n
    Exceptional high temperature strength<\/td>\nExpensive compared to IN718<\/td>\n<\/tr>\n
    Excellent oxidation and creep resistance<\/td>\nSignificant parameter optimization needed<\/td>\n<\/tr>\n
    Geometrias complexas vi\u00e1veis<\/td>\nLimited room temperature ductility<\/td>\n<\/tr>\n
    Faster processing than cast\/wrought<\/td>\nControlled storage and handling environment<\/td>\n<\/tr>\n
    Comparable properties to cast alloy<\/td>\nDif\u00edcil de usinar ap\u00f3s a impress\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    IN939 enables high-performance printed parts but with higher costs and controlled processing needs.<\/p>\n

    Frequently Asked Questions about IN939 Powder for 3D Printing<\/strong><\/h2>\n

    Q: What particle size range works best for printing IN939?<\/strong><\/p>\n

    A: A particle size range of 15-45 microns provides good flowability combined with high resolution and density. Finer particles below 10 microns can improve density and surface finish.<\/p>\n

    Q: Does IN939 require any post-processing after 3D printing?<\/strong><\/p>\n

    A: Post processes like hot isostatic pressing, heat treatment, and machining are usually needed to eliminate porosity, relieve stresses, and achieve final tolerances and surface finish.<\/p>\n

    Q: What precision can be achieved with IN939 printed parts?<\/strong><\/p>\n

    A: After post-processing, dimensional accuracy and surface finish comparable to CNC machined parts can be achieved with IN939 AM components.<\/p>\n

    Q: Are support structures necessary for printing IN939 powder?<\/strong><\/p>\n

    A: Minimal supports are recommended for complex channels and overhangs to prevent deformation and facilitate easy removal. IN939 powder has good flowability.<\/p>\n

    Q: What alloy powder is the closest alternative to IN939 for AM?<\/strong><\/p>\n

    A: IN738 is the closest alternative in terms of balanced properties and maturity for additive manufacturing. Other alloys like IN718 or Hastelloy X have some trade-offs.<\/p>\n

    Q: Is IN939 compatible with direct metal laser sintering (DMLS)?<\/strong><\/p>\n

    A: Yes, IN939 is readily processable by major powder bed fusion techniques including DMLS along with selective laser melting (SLM) and electron beam melting (EBM).<\/p>\n

    Q: What density is achievable with 3D printed IN939 components?<\/strong><\/p>\n

    A: With optimized parameters, densities over 99% are achievable, matching properties of traditionally processed IN939 products.<\/p>\n

    Q: How do the properties of printed IN939 compare to cast alloy?<\/strong><\/p>\n

    A: Additively manufactured IN939 exhibits comparable or better mechanical properties and microstructure compared to conventional cast and wrought forms.<\/p>\n

    Q: What defects can occur when printing with IN939 powder?<\/strong><\/p>\n

    A: Potential defects are cracking, distortion, porosity, surface roughness, incomplete fusion etc. Most can be prevented by proper parameter optimization and powder quality.<\/p>\n

    Q: Is hot isostatic pressing (HIP) mandatory for IN939 AM parts?<\/strong><\/p>\n

    A: HIP eliminates internal voids and improves fatigue resistance. For less demanding applications, heat treatment alone may suffice instead of HIP.<\/p>\n

    \n
    <\/div>\n<\/div>\n

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