{"id":2141,"date":"2025-05-08T15:57:59","date_gmt":"2025-05-08T07:57:59","guid":{"rendered":"https:\/\/www.hexinmusu.com\/?p=2141"},"modified":"2025-05-17T17:54:19","modified_gmt":"2025-05-17T09:54:19","slug":"about-detail-51","status":"publish","type":"post","link":"https:\/\/www.hexinmusu.com\/pt\/about-detail-51.html","title":{"rendered":"An\u00e1lise da composi\u00e7\u00e3o e das propriedades f\u00edsicas da liga de alum\u00ednio do A380"},"content":{"rendered":"

\u4f5c\u4e3a\u538b\u94f8\u9886\u57df\u7684\u9ad8\u6548\u89e3\u51b3\u65b9\u6848\uff0cA380\u578b \u94dd\u5408\u91d1 \u662f\u6700\u666e\u904d\u7684 \u538b\u94f8 \u94dd\uff0c\u56e0\u4e3a\u5b83\u96c6\u5408\u4e86\u6613\u94f8\u6a21\uff0c\u4fbf\u4e8e\u673a\u68b0\u52a0\u5de5\uff0c\u70ed\u4f20\u5bfc\u597d\u7b49\u7279\u6027\u3002\u53d8\u79fb\u6027\uff0c\u627f\u538b\u529b\uff0c\u548c\u6297\u9ad8\u6e29\u5206\u88c2\u6027\u90fd\u5f88\u5f3a\u867d\u7136A380\u578b\u4e00\u76f4\u88ab\u8ba4\u4e3a\u4fbf\u4e8e\u673a\u68b0\u52a0\u5de5\uff0c\u4f46\u7531\u4e8e\u8f83\u9ad8\u7684\u7845\u542b\u91cf\uff0c\u4f7f\u5176\u7a0d\u663e\u7c97\u7cd9\u3002 \u5b83\u88ab\u5e7f\u6cdb\u5730\u8fd0\u7528\u4e8e\u5404\u79cd\u4ea7\u54c1\uff0c\u5305\u62ec\u7535\u673a\u8bbe\u5907\u7684\u5e95\u76d8\uff0c\u5f15\u64ce\u652f\u67b6\uff0c\u53d8\u901f\u7bb1\uff0c\u5bb6\u5177\uff0c\u53d1\u7535\u673a\u548c\u624b\u5de5\u5de5\u5177\u3002\u4ee5\u4e0b\u901a\u8fc7\u4e13\u4e1a\u6570\u636e\u5bf9\u6bd4\uff0c\u76f4\u89c2\u5448\u73b0\u5176\u6838\u5fc3\u6280\u672f\u53c2\u6570\uff1a<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

Tabela de composi\u00e7\u00e3o da liga de alum\u00ednio do A380<\/h2>\n\n\n\n
elementar<\/th>Gama de conte\u00fados (wt%)<\/th>papel funcional<\/th><\/tr><\/thead>
Alum\u00ednio (Al)<\/td>85.0-89.5<\/td>Materiais de substrato para garantir uma base leve<\/td><\/tr>
Sil\u00edcio (Si)<\/td>7.5-9.5<\/td>Melhoria do fluxo e da resist\u00eancia ao desgaste<\/td><\/tr>
Cobre (Cu)<\/td>3.0-4.0<\/td>Maior resist\u00eancia e dureza a altas temperaturas<\/td><\/tr>
Ferro (Fe)<\/td>\u22641.2<\/td>Controlo da forma\u00e7\u00e3o de compostos intermet\u00e1licos<\/td><\/tr>
Zinco (Zn)<\/td>\u22643.0<\/td>Resist\u00eancia \u00e0 corros\u00e3o melhorada<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tabela de par\u00e2metros de propriedades f\u00edsicas do A380<\/h2>\n\n\n\n
Indicadores de desempenho<\/th>Gama num\u00e9rica<\/th>Refer\u00eancia cruzada (a\u00e7o macio)<\/th><\/tr><\/thead>
densidade<\/td>2,71 g\/cm\u00b3<\/td>7,85 g\/cm\u00b3<\/td><\/tr>
Resist\u00eancia \u00e0 tra\u00e7\u00e3o (estado T6)<\/td>310-330 MPa<\/td>400-500 MPa<\/td><\/tr>
alongamento<\/td>2.5-3.5%<\/td>15-25%<\/td><\/tr>
condutividade t\u00e9rmica<\/td>96 W\/(m-K)<\/td>50 W\/(m-K)<\/td><\/tr>
Coeficiente de expans\u00e3o linear<\/td>21,8 \u03bcm\/(m-\u00b0C)<\/td>11,7 \u03bcm\/(m-\u00b0C)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Cen\u00e1rios de aplica\u00e7\u00e3o da liga de alum\u00ednio A380<\/h2>\n\n\n\n

1. Fabrico de autom\u00f3veis<\/strong><\/h4>\n\n\n\n
    \n
  • sistema mec\u00e2nico<\/strong>Suportes do motor, caixas da caixa de velocidades (redu\u00e7\u00e3o de peso 30%-50%, resist\u00eancia a temperaturas at\u00e9 200\u00b0C)<\/li>\n\n\n\n
  • N\u00facleo de ve\u00edculos de energia nova<\/strong>Tabuleiro de bateria integrado (Reduz os pontos de soldadura 40%, melhora a efici\u00eancia da montagem)<\/li>\n\n\n\n
  • estrutura de seguran\u00e7a<\/strong>Caixa de absor\u00e7\u00e3o de energia em caso de colis\u00e3o (taxa de absor\u00e7\u00e3o de energia superior \u00e0 do a\u00e7o 25%-30%)<\/li>\n<\/ul>\n\n\n\n

    2. equipamento eletr\u00f3nico<\/strong><\/h4>\n\n\n\n
      \n
    • m\u00f3dulo t\u00e9rmico<\/strong>Dissipador de calor para esta\u00e7\u00f5es de base 5G (condutividade t\u00e9rmica de 96W\/(m-K), efici\u00eancia 2 vezes superior)<\/li>\n\n\n\n
    • Constru\u00e7\u00e3o de precis\u00e3o<\/strong>Estrutura do drone (a espessura da parede pode ser fundida sob press\u00e3o at\u00e9 1,2 mm, precis\u00e3o \u00b10,1 mm)<\/li>\n<\/ul>\n\n\n\n

      3. Equipamento industrial<\/strong><\/h4>\n\n\n\n
        \n
      • sistema hidr\u00e1ulico<\/strong>Caixa da v\u00e1lvula da bomba (resist\u00eancia \u00e0 press\u00e3o >300MPa, extens\u00e3o de vida 20%)<\/li>\n\n\n\n
      • automatiza\u00e7\u00e3o<\/strong>Juntas do bra\u00e7o rob\u00f3tico (a conce\u00e7\u00e3o leve reduz as cargas do motor em 15%)<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n

        Perguntas frequentes sobre a liga de alum\u00ednio do A380<\/h2>\n\n\n\n

        Q1: O que devo fazer se a superf\u00edcie da liga de alum\u00ednio A380 for \u00e1spera durante a maquinagem?<\/h4>\n\n\n\n
          \n
        • prescri\u00e7\u00e3o<\/strong>::
          \u2460 Controlar o teor de sil\u00edcio no intervalo optimizado de 8,5%-9,2%
          \u2461 Ado\u00e7\u00e3oProcesso de fundi\u00e7\u00e3o sob v\u00e1cuo<\/strong>(Porosidade <0,3%)
          \u2462 \u540e\u7eed \u55b7\u7802 \u6216CNC\u7cbe\u52a0\u5de5\uff08\u7c97\u7cd9\u5ea6Ra\u22641.6\u03bcm\uff09<\/li>\n<\/ul>\n\n\n\n

          Q2: Porque \u00e9 que o A380 \u00e9 mais resistente ao calor do que as ligas de alum\u00ednio normais?<\/h4>\n\n\n\n
            \n
          • Princ\u00edpios t\u00e9cnicos<\/strong>::\n
              \n
            • Os elementos de cobre (3%-4%) formam fases refor\u00e7adas com Al\u2082Cu para aumentar a resist\u00eancia a altas temperaturas.<\/li>\n\n\n\n
            • O sil\u00edcio elementar reduz o coeficiente de expans\u00e3o t\u00e9rmica para 21,8 \u03bcm\/(m-\u00b0C)<\/li>\n\n\n\n
            • Dados medidos: Taxa de reten\u00e7\u00e3o da resist\u00eancia \u00e0 tra\u00e7\u00e3o a 150\u2103\uff1e85%<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

              Q3 \uff1a Como melhorar as pe\u00e7as de paredes finas de fundi\u00e7\u00e3o sob press\u00e3o f\u00e1ceis de quebrar?<\/h4>\n\n\n\n
                \n
              • Otimiza\u00e7\u00e3o de processos<\/strong>::\n
                  \n
                • Controlo da temperatura do molde a 200\u00b110\u00b0C (para evitar a fragiliza\u00e7\u00e3o por arrefecimento r\u00e1pido)<\/li>\n\n\n\n
                • Adi\u00e7\u00e3o de tit\u00e2nio 0,05%-0,15% para refinar o tamanho do gr\u00e3o<\/li>\n\n\n\n
                • Tratamento t\u00e9rmico pelo processo T5 (aumento de resist\u00eancia de 20%, alongamento de 3,5%)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

                  Q4: A resist\u00eancia \u00e0 corros\u00e3o do A380 \u00e9 compat\u00edvel com a utiliza\u00e7\u00e3o no exterior?<\/h4>\n\n\n\n
                    \n
                  • estrat\u00e9gia de prote\u00e7\u00e3o<\/strong>::\n
                      \n
                    • Anodiza\u00e7\u00e3o (espessura da pel\u00edcula 15-25\u03bcm, ensaio de proje\u00e7\u00e3o salina >500h)<\/li>\n\n\n\n
                    • Zinco (\u22643%) para aumentar a resist\u00eancia \u00e0 corros\u00e3o do substrato<\/li>\n\n\n\n
                    • Recomendado para zonas costeiras com revestimento de resina epoxi<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

                      <\/p>","protected":false},"excerpt":{"rendered":"

                      \u4f5c\u4e3a\u538b\u94f8\u9886\u57df\u7684\u9ad8\u6548\u89e3\u51b3\u65b9\u6848\uff0cA380\u578b \u94dd\u5408\u91d1 \u662f\u6700\u666e\u904d\u7684 \u538b\u94f8 \u94dd\uff0c\u56e0\u4e3a\u5b83\u96c6\u5408\u4e86\u6613\u94f8\u6a21\uff0c\u4fbf\u4e8e\u673a\u68b0\u52a0\u5de5\uff0c\u70ed\u4f20\u5bfc\u597d\u7b49\u7279\u6027\u3002\u53d8\u79fb\u6027\uff0c\u627f\u538b\u529b\uff0c\u548c\u6297\u9ad8\u6e29\u5206\u88c2\u6027\u90fd\u5f88\u5f3a\u867d\u7136A380\u578b\u4e00\u76f4\u88ab\u8ba4\u4e3a\u4fbf\u4e8e\u673a\u68b0\u52a0\u5de5\uff0c\u4f46\u7531\u4e8e\u8f83\u9ad8\u7684\u7845\u542b\u91cf\uff0c\u4f7f\u5176\u7a0d\u663e\u7c97\u7cd9\u3002 \u5b83\u88ab\u5e7f\u6cdb\u5730\u8fd0\u7528\u4e8e\u5404\u79cd\u4ea7\u54c1\uff0c\u5305\u62ec\u7535\u673a\u8bbe\u5907\u7684\u5e95\u76d8\uff0c\u5f15\u64ce\u652f\u67b6\uff0c\u53d8\u901f\u7bb1\uff0c\u5bb6\u5177\uff0c\u53d1\u7535\u673a\u548c\u624b\u5de5\u5de5\u5177\u3002\u4ee5\u4e0b\u901a\u8fc7\u4e13\u4e1a\u6570\u636e\u5bf9\u6bd4\uff0c\u76f4\u89c2\u5448\u73b0\u5176\u6838\u5fc3\u6280\u672f\u53c2\u6570\uff1a A380\u94dd\u5408\u91d1\u6210\u5206\u8868 \u5143\u7d20 \u542b\u91cf\u8303\u56f4\uff08wt%\uff09 \u529f\u80fd\u4f5c\u7528 \u94dd(Al) 85.0-89.5 \u57fa\u4f53\u6750\u6599\uff0c\u4fdd\u8bc1\u8f7b\u91cf\u5316\u57fa\u7840 \u7845(Si) 7.5-9.5 \u63d0\u5347\u6d41\u52a8\u6027\u4e0e\u8010\u78e8\u6027 \u94dc(Cu) 3.0-4.0 …<\/p>","protected":false},"author":1,"featured_media":2142,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"class_list":["post-2141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-about-news"],"_links":{"self":[{"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/posts\/2141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":0,"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/posts\/2141\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/media\/2142"}],"wp:attachment":[{"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/media?parent=2141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/categories?post=2141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hexinmusu.com\/pt\/wp-json\/wp\/v2\/tags?post=2141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}