{"id":3868,"date":"2024-03-18T06:10:08","date_gmt":"2024-03-18T06:10:08","guid":{"rendered":"https:\/\/3dp.45612300.xyz\/product\/molybdenum-powder\/"},"modified":"2024-03-18T06:10:08","modified_gmt":"2024-03-18T06:10:08","slug":"molybdenum-powder","status":"publish","type":"product","link":"https:\/\/3dpmetal.com\/pt\/product\/molybdenum-powder\/","title":{"rendered":"Molibd\u00e9nio em p\u00f3"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"><\/p>\n<h2>Vis\u00e3o geral do p\u00f3 de molibd\u00e9nio<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum is a silvery-white refractory transition metal with very high melting point, excellent corrosion resistance, and good thermal\/electrical conductivity. In powder form, it exhibits high strength at elevated temperatures along with stability in harsh environments.<\/p>\n<p class=\"whitespace-pre-wrap\">Key properties of molybdenum powder include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">High temperature strength and creep resistance<\/li>\n<li class=\"whitespace-normal\">Excelente resist\u00eancia \u00e0 corros\u00e3o<\/li>\n<li class=\"whitespace-normal\">Good thermal and electrical conductivity<\/li>\n<li class=\"whitespace-normal\">Baixo coeficiente de expans\u00e3o t\u00e9rmica<\/li>\n<li class=\"whitespace-normal\">Elevada dureza e resist\u00eancia ao desgaste<\/li>\n<li class=\"whitespace-normal\">Good lubricity in sulfide atmospheres<\/li>\n<li class=\"whitespace-normal\">Dispon\u00edvel em v\u00e1rias distribui\u00e7\u00f5es de tamanho de part\u00edcula<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder is used where its heat resistance, corrosion resistance, conductivity, and lubricity can be utilized. Major applications include alloying, electronics, coatings, welding, and specialty metals fabrication.<\/p>\n<h2>Composition of Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder has the following typical composition:<\/p>\n<table>\n<thead>\n<tr>\n<th>Elemento<\/th>\n<th>Pureza<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Molibd\u00eanio (Mo)<\/td>\n<td>M\u00ednimo de 99%<\/td>\n<\/tr>\n<tr>\n<td>Oxig\u00eanio (O)<\/td>\n<td>0.01-0.5%<\/td>\n<\/tr>\n<tr>\n<td>Carbono (C)<\/td>\n<td>0.01-0.1%<\/td>\n<\/tr>\n<tr>\n<td>Ferro (Fe)<\/td>\n<td>0.2-2%<\/td>\n<\/tr>\n<tr>\n<td>Cobre (Cu)<\/td>\n<td>0.1-0.5%<\/td>\n<\/tr>\n<tr>\n<td>Sil\u00edcio (Si)<\/td>\n<td>0.05-1%<\/td>\n<\/tr>\n<tr>\n<td>Tungst\u00eanio (W)<\/td>\n<td>0.1-1%<\/td>\n<\/tr>\n<tr>\n<td>Enxofre (S)<\/td>\n<td>0.01-0.1%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">High purity grades contain over 99% molybdenum with low impurity levels. Commercial powders have higher permissible impurities.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1396\" src=\"https:\/\/met3dp.com\/wp-content\/uploads\/2023\/09\/TA7.jpg\" alt=\"Molibd\u00e9nio em p\u00f3\" width=\"216\" height=\"216\" title=\"\"><\/p>\n<h2>Properties of Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder exhibits the following properties:<\/p>\n<table>\n<thead>\n<tr>\n<th>Propriedade<\/th>\n<th>Valor<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Densidade<\/td>\n<td>10.22 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>Ponto de Fus\u00e3o<\/td>\n<td>2623\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>Condutividade t\u00e9rmica<\/td>\n<td>138 W\/m?K<\/td>\n<\/tr>\n<tr>\n<td>Resistividade el\u00e9trica<\/td>\n<td>5.5 \u00c3\u00d7\u00b4\u00ce?cm<\/td>\n<\/tr>\n<tr>\n<td>M\u00f3dulo de Young<\/td>\n<td>324 GPa<\/td>\n<\/tr>\n<tr>\n<td>Coeficiente de Poisson<\/td>\n<td>0.31<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/td>\n<td>350 MPa<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia ao escoamento<\/td>\n<td>220 MPa<\/td>\n<\/tr>\n<tr>\n<td>Elonga\u00e7\u00e3o<\/td>\n<td>20%<\/td>\n<\/tr>\n<tr>\n<td>Dureza Vickers<\/td>\n<td>200 HV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Molybdenum offers very high melting point, strength at elevated temperatures, good thermal\/electrical conductivity, and low thermal expansion.<\/p>\n<h2>Production Methods for Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder can be produced by methods like:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Hydrogen Reduction<\/strong>?- Molybdenum trioxide reduced with hydrogen gas to produce molybdenum powder.<\/li>\n<li class=\"whitespace-normal\"><strong>Thermal Decomposition<\/strong>?- Heating molybdenum compounds like ammonium molybdate to form molybdenum oxide followed by hydrogen reduction.<\/li>\n<li class=\"whitespace-normal\"><strong>Electrolytic Production<\/strong>?- Aqueous electrowinning from acidic molybdate solutions produces molybdenum powder deposit.<\/li>\n<li class=\"whitespace-normal\"><strong>Redu\u00e7\u00e3o Calciot\u00e9rmica<\/strong>?- Reduction of molybdenum trioxide using calcium.<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Hydrogen reduction is a common industrial method. The powder morphology, size and purity can be controlled.<\/p>\n<h2>Aplica\u00e7\u00f5es do p\u00f3 de molibd\u00e9nio<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder has the following major applications:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Alloying Addition<\/strong>?- Added to stainless steels, nickel alloys, tool steels to enhance properties.<\/li>\n<li class=\"whitespace-normal\"><strong>Metal Coatings &amp; Spraying<\/strong>?- Thermal spray coatings, plating processes use molybdenum for wear\/corrosion resistance.<\/li>\n<li class=\"whitespace-normal\"><strong>Electronics &amp; Contacts<\/strong>?- Used in circuitry, vacuum tubes, cathode ray tubes and electrical contacts.<\/li>\n<li class=\"whitespace-normal\"><strong>Soldadura<\/strong>?- As filler material for stainless, high-nickel and refractory metal welding.<\/li>\n<li class=\"whitespace-normal\"><strong>Lubrificantes<\/strong>?- Added to greases and oils to provide lubrication in high temperature sulfide environments.<\/li>\n<li class=\"whitespace-normal\"><strong>Pirotecnia<\/strong>?- Combined with other powders for pyrotechnic delay compositions requiring controlled burn rates.<\/li>\n<\/ul>\n<h2>Specifications of Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder is available under various specifications:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Graus de pureza<\/strong>?- From commercial purity to 99.999% ultra high purity grades.<\/li>\n<li class=\"whitespace-normal\"><strong>Tamanhos de part\u00edculas<\/strong>?- Ranging from 1 micron to 150 microns for different applications.<\/li>\n<li class=\"whitespace-normal\"><strong>Morfologia<\/strong>?- Irregular, spherical and nodular powder shapes are available.<\/li>\n<li class=\"whitespace-normal\"><strong>\u00c1rea da Superf\u00edcie<\/strong>?- Low to high surface area powder grades.<\/li>\n<li class=\"whitespace-normal\"><strong>Teor de Oxig\u00eanio<\/strong>?- High purity, low oxygen powders for specialty applications.<\/li>\n<\/ul>\n<h2>Global Suppliers of Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Some of the major global molybdenum powder suppliers include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">H.C. Starck (Alemanha)<\/li>\n<li class=\"whitespace-normal\">Molymet (USA)<\/li>\n<li class=\"whitespace-normal\">JDC Molybdenum (China)<\/li>\n<li class=\"whitespace-normal\">Exploiter Molybdenum (China)<\/li>\n<li class=\"whitespace-normal\">Plansee (Austria)<\/li>\n<li class=\"whitespace-normal\">Midwest Tungsten (USA)<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">These companies produce molybdenum powder grades using various methods at commercial to ultra high purity levels.<\/p>\n<h2>Pricing of Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder prices depend on factors like:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Grau de pureza<\/strong>?- From $5\/kg for commercial purity to over $500\/kg for ultra high purity grades.<\/li>\n<li class=\"whitespace-normal\"><strong>Tamanho da part\u00edcula<\/strong>?- Os p\u00f3s nanom\u00e9tricos e sub-micr\u00f3nicos t\u00eam pre\u00e7os mais elevados.<\/li>\n<li class=\"whitespace-normal\"><strong>Morfologia<\/strong>?- Spherical powders command premium over irregular grades.<\/li>\n<li class=\"whitespace-normal\"><strong>Quantidade<\/strong>?- Os pre\u00e7os s\u00e3o reduzidos para quantidades a granel devido \u00e0 economia de escala.<\/li>\n<li class=\"whitespace-normal\"><strong>Fabricante<\/strong>?- Major global suppliers offer competitive pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>Geografia<\/strong>?- Os pre\u00e7os variam consoante a regi\u00e3o do mundo.<\/li>\n<\/ul>\n<h2>Storage and Handling of Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum powder requires controlled storage and handling:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Prevent exposure to air and moisture to minimize oxidation.<\/li>\n<li class=\"whitespace-normal\">Avoid dust accumulation and ignition hazards from fine powders.<\/li>\n<li class=\"whitespace-normal\">Use appropriate ventilation and respiratory protection when handling.<\/li>\n<li class=\"whitespace-normal\">Follow precautions in Safety Data Sheet from supplier.<\/li>\n<li class=\"whitespace-normal\">Store sealed containers in a cool, dry place away from incompatibles.<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Proper grounding, inert gas blanketing, PPE should be used when handling molybdenum powder.<\/p>\n<h2>Inspection and Testing of Molybdenum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Typical inspections and tests carried out on molybdenum powder:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>An\u00e1lise qu\u00edmica<\/strong>?- ICP and XRF techniques used to verify composition meets specifications.<\/li>\n<li class=\"whitespace-normal\"><strong>Tamanho da part\u00edcula<\/strong>?- Laser diffraction analysis as per ASTM B822 standard.<\/li>\n<li class=\"whitespace-normal\"><strong>Morfologia<\/strong>?- SEM imaging used to determine particle shape and surface area.<\/li>\n<li class=\"whitespace-normal\"><strong>\u00c1rea de superf\u00edcie espec\u00edfica<\/strong>?- BET gas absorption method used.<\/li>\n<li class=\"whitespace-normal\"><strong>Impurity Testing<\/strong>?- ICP-MS used to quantify levels of oxygen, iron, copper, tungsten and other impurities.<\/li>\n<li class=\"whitespace-normal\"><strong>Fluxo de p\u00f3<\/strong>?- Tested as per ASTM B213 standard using Hall flowmeter.<\/li>\n<\/ul>\n<h2>Comparison of Molybdenum and Tungsten Powders<\/h2>\n<p class=\"whitespace-pre-wrap\">Molybdenum and tungsten powders are two refractory metal powders compared:<\/p>\n<table>\n<thead>\n<tr>\n<th>Par\u00e2metros<\/th>\n<th>Molibd\u00eanio<\/th>\n<th>Tungst\u00eanio<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Densidade<\/td>\n<td>10.22 g\/cm3<\/td>\n<td>19.3 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>Ponto de Fus\u00e3o<\/td>\n<td>2623\u00a1\u00abC<\/td>\n<td>3422\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/td>\n<td>350 MPa<\/td>\n<td>350 MPa<\/td>\n<\/tr>\n<tr>\n<td>Condutividade t\u00e9rmica<\/td>\n<td>138 W\/mK<\/td>\n<td>163 W\/mK<\/td>\n<\/tr>\n<tr>\n<td>Resistividade el\u00e9trica<\/td>\n<td>5.5 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<td>5.5 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<\/tr>\n<tr>\n<td>Custo<\/td>\n<td>Baixo<\/td>\n<td>Maior<\/td>\n<\/tr>\n<tr>\n<td>Toxicidade<\/td>\n<td>Baixo<\/td>\n<td>Maior<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Molybdenum has lower density, melting point, and cost but offers similarly high strength and conductivity as tungsten.<\/p>\n<h2>Molybdenum Powder FAQs<\/h2>\n<p class=\"whitespace-pre-wrap\"><strong>Q: How is molybdenum powder produced?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Common industrial production methods for molybdenum powder include hydrogen reduction of molybdenum trioxide and thermal decomposition of molybdates followed by reduction.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: What is molybdenum powder used for?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Major applications of molybdenum powder include alloying, thermal spray coatings, electronics, welding, lubricants, pyrotechnics, and as a pure metal.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: What powder size is used for thermal spray coatings?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: For most thermal spray processes, molybdenum powder is typically used in size ranges of 45-150 microns. Finer powder can be challenging to fully melt.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Is molybdenum powder flammable or explosive?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Yes, like other finely divided metals, molybdenum powder can potentially be flammable or explosive. Proper precautions are needed for safe handling and storage.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Where can I purchase high purity molybdenum powder?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Ultra high purity (99.999%) molybdenum powder can be purchased from major suppliers including H.C. Starck, Molymet, Plansee, and JDC Molybdenum.<\/p>\n<p><\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Overview of Molybdenum Powder Molybdenum is a silvery-white refractory transition metal with very high melting point, excellent corrosion resistance, and good thermal\/electrical conductivity. In powder form, it exhibits high strength at elevated temperatures along with stability in harsh environments. Key properties of molybdenum powder include: High temperature strength and creep resistance Excellent corrosion resistance Good&#8230;<\/p>","protected":false},"featured_media":1744,"parent":0,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product-category":[119,125],"class_list":["post-3868","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-3d-printing-metal-powder","product-category-refractory-metal-powder"],"acf":[],"taxonomy_info":{"product-category":[{"value":119,"label":"3D Printing Metal Powder"},{"value":125,"label":"Refractory Metal Powder"}]},"featured_image_src_large":["https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/02\/Molybdenum-Powder.jpg",600,600,false],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/3dpmetal.com\/pt\/wp-json\/wp\/v2\/product\/3868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/pt\/wp-json\/wp\/v2\/media\/1744"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/pt\/wp-json\/wp\/v2\/media?parent=3868"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/pt\/wp-json\/wp\/v2\/product-category?post=3868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}