{"id":3874,"date":"2024-03-18T06:10:10","date_gmt":"2024-03-18T06:10:10","guid":{"rendered":"https:\/\/3dp.45612300.xyz\/product\/best-in718-powder-for-3d-printing\/"},"modified":"2024-03-18T06:10:10","modified_gmt":"2024-03-18T06:10:10","slug":"best-in718-powder-for-3d-printing","status":"publish","type":"product","link":"https:\/\/3dpmetal.com\/pt\/product\/best-in718-powder-for-3d-printing\/","title":{"rendered":"Best in718 powder for 3D printing"},"content":{"rendered":"

<\/p>\n

Overview of IN718 Powder<\/strong><\/h2>\n

IN718 is a precipitation hardenable nickel-based superalloy powder widely used for additive manufacturing, owing to its good strength, corrosion resistance, weldability and processability. This article provides a detailed guide to IN718 powder.<\/p>\n

Key aspects covered include composition, properties, AM print parameters, applications, specifications, suppliers, handling, inspection methods, comparisons to alternatives, pros and cons, and FAQs. Tables are used to present quantitative data in an easy-to-reference format.<\/p>\n

Composition of IN718 Powder<\/strong><\/h3>\n

The composition of IN718 is:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Elemento<\/th>\nPeso %<\/th>\nProp\u00f3sito<\/th>\n<\/tr>\n<\/thead>\n
N\u00edquel<\/td>\n50 – 55<\/td>\nElemento da matriz principal<\/td>\n<\/tr>\n
Cr\u00f3mio<\/td>\n17 – 21<\/td>\nResist\u00eancia \u00e0 oxida\u00e7\u00e3o<\/td>\n<\/tr>\n
Ferro<\/td>\nEquil\u00edbrio<\/td>\nRefor\u00e7ador de solu\u00e7\u00f5es s\u00f3lidas<\/td>\n<\/tr>\n
Ni\u00f3bio<\/td>\n4.75 – 5.5<\/td>\nEnrijecimento por precipita\u00e7\u00e3o<\/td>\n<\/tr>\n
Molibd\u00eanio<\/td>\n2.8 – 3.3<\/td>\nSolid solution strengthening<\/td>\n<\/tr>\n
Tit\u00e2nio<\/td>\n0.65 – 1.15<\/td>\nFormador de metal duro<\/td>\n<\/tr>\n
Alum\u00ednio<\/td>\n0.2 – 0.8<\/td>\nEnrijecimento por precipita\u00e7\u00e3o<\/td>\n<\/tr>\n
Carbono<\/td>\n0,08 max<\/td>\nFormador de metal duro<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Trace amounts of cobalt, boron, copper and magnesium are also added.<\/p>\n

Properties of IN718 Powder<\/strong><\/h3>\n

Key properties of IN718 include:<\/p>\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>\nTensile strength 1050 – 1350 MPa<\/td>\n<\/tr>\n
Phase stability<\/td>\nRetains properties after prolonged use up to 700\u00a1\u00abC<\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 corros\u00e3o<\/td>\nResistant to aqueous corrosion and oxidation<\/td>\n<\/tr>\n
Soldabilidade<\/td>\nExcellent weldability using matching filler material<\/td>\n<\/tr>\n
Fabricability<\/td>\nEasy to form and machine<\/td>\n<\/tr>\n
Creep resistance<\/td>\nHigh stress rupture strength at high temperatures<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The properties make IN718 suitable for the most demanding applications.<\/p>\n

3D Printing Parameters for IN718 Powder<\/strong><\/h3>\n

Typical parameters for printing IN718 powder include:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Par\u00e2metros<\/th>\nValor t\u00edpico<\/th>\nProp\u00f3sito<\/th>\n<\/tr>\n<\/thead>\n
Altura da camada<\/td>\n20 – 50 \u00c3\u00d7m<\/td>\nBalance speed and resolution<\/td>\n<\/tr>\n
Pot\u00eancia laser<\/td>\n195 – 350 W<\/td>\nFus\u00e3o suficiente sem evapora\u00e7\u00e3o<\/td>\n<\/tr>\n
Velocidade de digitaliza\u00e7\u00e3o<\/td>\n700 – 1300 mm\/s<\/td>\nDensity versus build rate<\/td>\n<\/tr>\n
Espa\u00e7amento da escotilha<\/td>\n80 – 160 \u00c3\u00d7m<\/td>\nPropriedades mec\u00e2nicas<\/td>\n<\/tr>\n
Support structure<\/td>\nM\u00ednimo<\/td>\nEasy removal<\/td>\n<\/tr>\n
Prensagem isost\u00e1tica a quente<\/td>\n1120\u00a1\u00abC, 100 MPa, 3h<\/td>\nEliminar os vazios internos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The parameters depend on factors like build geometry, temperature management and post-processing requirements.<\/p>\n

Applications of 3D Printed IN718 Parts<\/strong><\/h3>\n

IN718 parts made by AM are used in:<\/p>\n\n\n\n\n\n\n\n\n\n
Ind\u00fastria<\/th>\nComponentes<\/th>\n<\/tr>\n<\/thead>\n
Aeroespacial<\/td>\nEngine components like turbine blades, discs<\/td>\n<\/tr>\n
Gera\u00e7\u00e3o de energia<\/td>\nCombustion cans, transition ducts<\/td>\n<\/tr>\n
Petr\u00f3leo e g\u00e1s<\/td>\nDownhole tools, valves, pumps<\/td>\n<\/tr>\n
Automotivo<\/td>\nTurbocharger wheels, exhaust valves<\/td>\n<\/tr>\n
M\u00e9dico<\/td>\nImplantes ortop\u00e9dicos, instrumentos cir\u00fargicos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Benefits over wrought IN718 include complex geometries, reduced lead times and buy-to-fly ratios.<\/p>\n

Specifications of IN718 Powder for AM<\/strong><\/h3>\n

IN718 powder must meet the following specifications for 3D printing:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Par\u00e2metros<\/th>\nEspecifica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n
Faixa granulom\u00e9trica<\/td>\n10 – 45 \u00c3\u00d7m<\/td>\n<\/tr>\n
Forma da part\u00edcula<\/td>\nMorfologia esf\u00e9rica<\/td>\n<\/tr>\n
Densidade Aparente<\/td>\nTypically > 4 g\/cc<\/td>\n<\/tr>\n
Densidade Batida<\/td>\n> 6 g\/cc<\/td>\n<\/tr>\n
Taxa de fluxo por corredor<\/td>\n> 23 seg. para 50 g<\/td>\n<\/tr>\n
Pureza<\/td>\n>99,9%<\/td>\n<\/tr>\n
Teor de Oxig\u00eanio<\/td>\n<100 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Custom size distributions and tightly controlled composition available.<\/p>\n

Suppliers of IN718 Powder<\/strong><\/h3>\n

Prominent suppliers include:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Fornecedor<\/th>\nLocal<\/th>\n<\/tr>\n<\/thead>\n
Praxair<\/td>\nEUA<\/td>\n<\/tr>\n
Produtos em P\u00f3 de Carpinteiro<\/td>\nEUA<\/td>\n<\/tr>\n
Sandvik Osprey<\/td>\nReino Unido<\/td>\n<\/tr>\n
Tecnologia LPW<\/td>\nReino Unido<\/td>\n<\/tr>\n
Erasteel<\/td>\nFran\u00e7a<\/td>\n<\/tr>\n
AP&C<\/td>\nCanad\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Prices range from $50\/kg to $150\/kg, influenced by quality considerations and order volumes.<\/p>\n

Handling and Storage of IN718 Powder<\/strong><\/h3>\n

As a reactive material, IN718 powder requires controlled handling:<\/p>\n

    \n
  • Store sealed containers in a cool, dry inert atmosphere<\/li>\n
  • Prevent exposure to moisture, air, or temperature extremes<\/li>\n
  • Use properly grounded equipment during transfer<\/li>\n
  • Avoid dust accumulation and control ignition sources<\/li>\n
  • Recomenda-se a ventila\u00e7\u00e3o por exaust\u00e3o local<\/li>\n
  • Follow applicable safety guidelines<\/li>\n<\/ul>\n

    Correct storage and handling prevents composition changes or hazards.<\/p>\n

    Inspection and Testing of IN718 Powder<\/strong><\/h3>\n

    IN718 powder batches are 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\u00edculas<\/td>\n<\/tr>\n
    Imagem SEM<\/td>\nMorfologia das part\u00edculas<\/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
    Taxa de fluxo por corredor<\/td>\nFluidez do p\u00f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Testing per ASTM standards ensures batch-to-batch quality consistency.<\/p>\n

    Comparing IN718 to Alternative Superalloy Powders<\/strong><\/h3>\n

    IN718 compares with other alloys as:<\/p>\n\n\n\n\n\n\n\n\n
    Liga<\/th>\nCusto<\/th>\nCapacidade de impress\u00e3o<\/th>\nSoldabilidade<\/th>\nFor\u00e7a<\/th>\n<\/tr>\n<\/thead>\n
    IN718<\/td>\nBaixo<\/td>\nBom<\/td>\nExcelente<\/td>\nM\u00e9dio<\/td>\n<\/tr>\n
    IN625<\/td>\nM\u00e9dio<\/td>\nExcelente<\/td>\nExcelente<\/td>\nBaixo<\/td>\n<\/tr>\n
    IN792<\/td>\nAlto<\/td>\nJusto<\/td>\nBom<\/td>\nExcelente<\/td>\n<\/tr>\n
    IN939<\/td>\nMuito alto<\/td>\nBom<\/td>\nLimitada<\/td>\nExcelente<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    For balanced properties at lower cost, IN718 supersedes other Ni-based superalloys for many applications.<\/p>\n

    Pros and Cons of IN718 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
    Proven material credentials in AM<\/td>\nLower high temperature strength than some alloys<\/td>\n<\/tr>\n
    Excellent weldability and machinability<\/td>\nSusceptible to solidification cracking during printing<\/td>\n<\/tr>\n
    Easily fabricated into complex shapes<\/td>\nRequer manuseamento em atmosfera controlada<\/td>\n<\/tr>\n
    Cost advantage over exotic superalloys<\/td>\nSignificant post-processing often needed<\/td>\n<\/tr>\n
    Readily available from range of suppliers<\/td>\nRelatively low hardness after printing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    IN718 enables high performance additive manufacturing at a reasonable cost.<\/p>\n

    Frequently Asked Questions about IN718 Powder<\/strong><\/h2>\n

    Q: What particle size range works best for 3D printing IN718 alloy?<\/strong><\/p>\n

    A: A range of 15-45 microns provides the optimum blend of flowability, high resolution, and high density parts. Finer powders below 10 microns can also be used.<\/p>\n

    Q: What post processing is typically required for IN718 AM components?<\/strong><\/p>\n

    A: Hot isostatic pressing, heat treatment, and machining are commonly needed to eliminate voids, optimize properties, and achieve dimensional accuracy.<\/p>\n

    Q: Is IN718 easier to 3D print compared to other Ni superalloys?<\/strong><\/p>\n

    A: Yes, the excellent weldability and lower susceptibility to cracking make IN718 one of the easier to process Ni-based superalloys by powder bed fusion techniques.<\/p>\n

    Q: What industries use IN718 alloy for metal 3D printing?<\/strong><\/p>\n

    A: Aerospace, power generation, oil and gas, automotive, and medical sectors are major application areas for additively manufactured IN718 components.<\/p>\n

    Q: What material has properties closest to IN718 for AM?<\/strong><\/p>\n

    A: IN625 alloy powder has comparable weldability and corrosion resistance to IN718 but lower strength. IN792 trades weldability for higher strength.<\/p>\n

    Q: Is hot isostatic pressing mandatory for IN718 3D printed parts?<\/strong><\/p>\n

    A: HIP eliminates internal voids and improves fatigue resistance. It may not be required for non-critical applications.<\/p>\n

    Q: Does IN718 require support structures during 3D printing?<\/strong><\/p>\n

    A: Minimal supports are recommended on overhangs and bridged sections to prevent deformation and facilitate easy removal post-printing.<\/p>\n

    Q: What defects can occur when printing with IN718 powder?<\/strong><\/p>\n

    A: Potential defects are cracking, porosity, distortion, incomplete fusion, and surface roughness. Most can be prevented with optimized parameters.<\/p>\n

    Q: What hardness can be expected with IN718 AM components?<\/strong><\/p>\n

    A: Hardness after printing is typically 30-35 HRC. Post-processing like aging can increase it to 40-50 HRC for higher wear resistance.<\/p>\n

    Q: What precision can be obtained with IN718 printed parts?<\/strong><\/p>\n

    A: After post-processing, IN718 printed components can achieve dimensional tolerances and surface finishes comparable to CNC machined parts.<\/p>\n

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

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