{"id":6764,"date":"2025-03-07T12:12:23","date_gmt":"2025-03-07T12:12:23","guid":{"rendered":"https:\/\/vivalr.com\/product\/6764.html"},"modified":"2025-03-07T12:34:02","modified_gmt":"2025-03-07T12:34:02","slug":"factory-supply-boron-cas-7440-42-8-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/6764.html","title":{"rendered":"Fornecimento de f\u00e1brica de boro CAS 7440-42-8 com melhor pre\u00e7o"},"content":{"rendered":"<p><main><\/p>\n<h1>Fornecimento de f\u00e1brica Boro CAS 7440-42-8 com melhor pre\u00e7o: Guia do utilizador<\/h1>\n<h2>\u00cdndice<\/h2>\n<ul>\n<li><a href=\"#basic-info\">Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/a><\/li>\n<li><a href=\"#uses\">Utiliza\u00e7\u00f5es do boro<\/a><\/li>\n<li><a href=\"#usage\">Como utilizar o boro<\/a><\/li>\n<li><a href=\"#case-studies\">Estudos de casos de utiliza\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#contact\">Informa\u00e7\u00f5es de contacto<\/a><\/li>\n<\/ul>\n<h2 id=\"basic-info\">Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/h2>\n<p>O produto que estamos a apresentar \u00e9 o Boro com o n\u00famero CAS 7440 - 42 - 8. O boro \u00e9 um elemento qu\u00edmico com o s\u00edmbolo B e o n\u00famero at\u00f3mico 5. \u00c9 um metaloide, o que significa que tem propriedades de metais e n\u00e3o metais. <\/p>\n<p>Propriedades f\u00edsicas: O boro existe em v\u00e1rias formas alotr\u00f3picas, incluindo o boro amorfo e o boro cristalino. O boro amorfo \u00e9 um p\u00f3 castanho, enquanto o boro cristalino \u00e9 preto e muito duro. Tem um ponto de fus\u00e3o elevado de cerca de 2076\u00b0C e um ponto de ebuli\u00e7\u00e3o de 3927\u00b0C. A densidade do boro \u00e9 de cerca de 2,34 g\/cm\u00b3. <\/p>\n<p>Propriedades qu\u00edmicas: O boro \u00e9 relativamente pouco reativo \u00e0 temperatura ambiente. Reage com o oxig\u00e9nio a altas temperaturas para formar \u00f3xido de boro (B\u2082O\u2083). Tamb\u00e9m pode reagir com halog\u00e9neos, metais e n\u00e3o metais em condi\u00e7\u00f5es espec\u00edficas. <\/p>\n<h2 id=\"uses\">Utiliza\u00e7\u00f5es do boro<\/h2>\n<p>1. **Na ind\u00fastria dos semicondutores**: O boro \u00e9 utilizado como dopante em semicondutores. Ao adicionar uma pequena quantidade de boro ao sil\u00edcio ou ao germ\u00e2nio, a condutividade el\u00e9ctrica destes materiais pode ser controlada com precis\u00e3o. Isto \u00e9 crucial para a produ\u00e7\u00e3o de trans\u00edstores, circuitos integrados e outros dispositivos semicondutores. <\/p>\n<p>2. **Na ind\u00fastria do vidro e da cer\u00e2mica**: Os compostos de boro, como o b\u00f3rax e o \u00e1cido b\u00f3rico, s\u00e3o adicionados ao vidro e \u00e0 cer\u00e2mica. Podem baixar o ponto de fus\u00e3o do vidro, melhorar a sua resist\u00eancia ao choque t\u00e9rmico e melhorar as propriedades mec\u00e2nicas da cer\u00e2mica. <\/p>\n<p>3. **Na ind\u00fastria aeroespacial**: As fibras de boro s\u00e3o utilizadas para refor\u00e7ar materiais comp\u00f3sitos. Estes comp\u00f3sitos t\u00eam uma elevada rela\u00e7\u00e3o resist\u00eancia-peso, o que os torna ideais para utiliza\u00e7\u00e3o em componentes de aeronaves, como asas e fuselagens. <\/p>\n<p>4. **Na ind\u00fastria nuclear**: O boro tem uma elevada sec\u00e7\u00e3o transversal de absor\u00e7\u00e3o de neutr\u00f5es. \u00c9 utilizado em barras de controlo em reactores nucleares para regular o processo de cis\u00e3o atrav\u00e9s da absor\u00e7\u00e3o de neutr\u00f5es. <\/p>\n<h2 id=\"usage\">Como utilizar o boro<\/h2>\n<p>Ao manusear o boro, devem ser tomadas as devidas precau\u00e7\u00f5es de seguran\u00e7a. Utilizar equipamento de prote\u00e7\u00e3o individual adequado, como luvas, \u00f3culos de prote\u00e7\u00e3o e uma m\u00e1scara contra poeiras. <\/p>\n<p>1. **Dopagem em semicondutores**: O boro \u00e9 normalmente introduzido nos materiais semicondutores atrav\u00e9s de um processo denominado implanta\u00e7\u00e3o i\u00f3nica ou difus\u00e3o. Na implanta\u00e7\u00e3o i\u00f3nica, os i\u00f5es de boro s\u00e3o acelerados e bombardeados na pastilha semicondutora. Na difus\u00e3o, gases contendo boro s\u00e3o aquecidos na presen\u00e7a do semicondutor, permitindo que os \u00e1tomos de boro se difundam no material. <\/p>\n<p>2. **No vidro e na cer\u00e2mica**: Os compostos de boro s\u00e3o adicionados \u00e0s mat\u00e9rias-primas do vidro e da cer\u00e2mica durante o processo de fabrico. A quantidade de boro adicionada depende das propriedades desejadas do produto final. <\/p>\n<p>3. **Em materiais comp\u00f3sitos**: As fibras de boro s\u00e3o primeiro pr\u00e9 - impregnadas com uma matriz de resina. Depois, s\u00e3o colocadas num molde e curadas sob calor e press\u00e3o para formar a estrutura composta. <\/p>\n<p>4. **Nos reactores nucleares**: As barras de controlo \u00e0 base de boro s\u00e3o inseridas no n\u00facleo do reator. A posi\u00e7\u00e3o das barras de controlo pode ser ajustada para controlar o fluxo de neutr\u00f5es e, consequentemente, a pot\u00eancia do reator. <\/p>\n<h2 id=\"case-studies\">Estudos de casos de utiliza\u00e7\u00e3o<\/h2>\n<p>1. **Caso de fabrico de semicondutores**: Uma importante empresa de semicondutores estava a tentar melhorar o desempenho da sua nova gera\u00e7\u00e3o de microprocessadores. Utilizando o boro como dopante no substrato de sil\u00edcio, conseguiram controlar com precis\u00e3o a condutividade el\u00e9ctrica dos trans\u00edstores. Isso levou a um aumento significativo na velocidade de processamento dos microprocessadores e a uma redu\u00e7\u00e3o no consumo de energia. <\/p>\n<p>2. **Caso de fabrico de vidro**: Uma f\u00e1brica de vidro queria produzir vidro resistente ao calor para portas de fornos. Ao adicionar uma quantidade espec\u00edfica de compostos de boro ao lote de vidro, conseguiram reduzir o coeficiente de expans\u00e3o t\u00e9rmica do vidro. Como resultado, o vidro podia suportar mudan\u00e7as r\u00e1pidas de temperatura sem rachar, satisfazendo os requisitos de alta qualidade do mercado. <\/p>\n<p>3. **Caso de um comp\u00f3sito aeroespacial**: Um fabricante aeroespacial estava a desenvolver uma nova asa de avi\u00e3o leve. Utilizaram materiais comp\u00f3sitos refor\u00e7ados com boro na estrutura da asa. A elevada rela\u00e7\u00e3o resist\u00eancia\/peso destes comp\u00f3sitos permitiu que a asa suportasse o peso da aeronave, reduzindo a sua massa total. Isto n\u00e3o s\u00f3 melhorou a efici\u00eancia de combust\u00edvel do avi\u00e3o, como tamb\u00e9m aumentou a sua capacidade de manobra. <\/p>\n<h2 id=\"contact\">Informa\u00e7\u00f5es de contacto<\/h2>\n<p>Se tiver alguma d\u00favida sobre<\/p>","protected":false},"excerpt":{"rendered":"<p>Factory Supply Boron CAS 7440-42-8 With Best Price: User Guide Table of Contents Basic Information and Parameters Uses of Boron How to Use Boron Usage Case Studies Contact Information Basic Information and Parameters The product we are introducing is Boron with the CAS number 7440 - 42 - 8. Boron is a chemical element with [&hellip;]<\/p>\n","protected":false},"featured_media":24449,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-6764","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","8":"first","9":"instock","10":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Factory Supply Boron CAS 7440-42-8 With Best Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vivalr.com\/pt\/product\/6764.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply Boron CAS 7440-42-8 With Best Price\" \/>\n<meta property=\"og:description\" content=\"Factory Supply Boron CAS 7440-42-8 With Best Price: User Guide Table of Contents Basic Information and Parameters Uses of Boron How to Use Boron Usage Case Studies Contact Information Basic Information and Parameters The product we are introducing is Boron with the CAS number 7440 - 42 - 8. 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