Aikace-aikacen Molybdenum da kuma yaduwar ilimin kimiyya

Molybdenum abu ne na karfe, alamar alama: Mo, Sunan Ingilishi: molybdenum, lambar atomic 42, ƙarfe ne na VIB. Yawan molybdenum 10.2 g / cm 3, narkar da ita shine 2610 ℃ kuma tafasasshen ruwan shine 5560 ℃. Molybdenum wani nau'in azurfa ne mai farin ƙarfe, mai wuya da tauri, tare da madaidaicin narkewa da haɓakar haɓakar zafi. Ba ya amsawa tare da iska a yanayin zafin jiki na ɗaki. A matsayin abu na sauyawa, yana da sauki canza yanayin hadawan abu, kuma launin moonbdenum ion zai canza tare da canjin yanayin hadawan abu. Molybdenum abu ne mai mahimmanci ga jikin mutum, dabbobi da tsire-tsire, wanda ke taka muhimmiyar rawa wajen haɓaka, haɓakawa da gadon mutane, dabbobi da tsirrai. Matsakaicin abun ciki na molybdenum a cikin ɓawon buran ƙasa shine 0,00011%. Adana albarkatun molybdenum na duniya sun kai kimanin tan miliyan 11, kuma tabbatattun ajiyar na kusan tan miliyan 19.4. Saboda tsananin ƙarfi, maɓallin narkewa, juriya da lalata juriya, ana amfani da molybdenum a cikin ƙarfe, man fetur, sinadarai, fasahar lantarki da lantarki, magani da aikin gona. 3 ƙarfe mai ƙyama: aikace-aikacen molybdenum

Molybdenum ya kasance farkon wuri a cikin masana'antar ƙarfe da ƙarfe, yana ɗaukar kusan 80% na yawan amfani da molybdenum, sannan masana'antar sinadarai suka biyo baya, suna ɗaukar kusan 10%. Bugu da kari, molybdenum ana amfani dashi a fasahar lantarki da lantarki, magani da aikin gona, wanda yakai kimanin kashi 10% na yawan amfani.

Molybdenum shine mafi yawan mabukaci na ƙarfe da ƙarfe, kuma galibi ana amfani dashi a cikin samar da ƙarfe mai ƙarfe (kimanin kashi 43% na molybdenum a cikin yawan ƙarfe), bakin ƙarfe (kimanin 23%), ƙarfe na kayan aiki da ƙarfe mai sauri (kusan 8% ), baƙin ƙarfe da abin nadi (game da 6%). Mafi yawan molybdenum ana amfani dashi kai tsaye a cikin karfe ko ƙarfe bayan masana'antar molybdenum oxide briquetting, yayin da ƙaramin ɓangare ya narke cikin ferromolybdenum sannan kuma ake amfani dashi don yin ƙarfe. A matsayin kayan haɗin gwal na karfe, molybdenum yana da fa'idodi masu zuwa: inganta karfi da taurin karfe; inganta ƙarancin lalata ƙarfe a cikin maganin acid-tushe da ƙarfe mai ruwa; inganta lalacewar lalacewar ƙarfe; inganta karfin zuciya, waldawa da kuma juriya mai zafi na karfe. Misali, bakin karfe mai dauke da molybdenum na kashi 4% - 5% galibi ana amfani dashi a wurare masu tsananin lalata da lalata, kamar kayan ruwa da kayan aikin sunadarai.

Abubuwan da ba ƙarfe ba ne wanda aka haɗa da molybdenum matrix da sauran abubuwa (kamar Ti, Zr, HF, W da re). Wadannan abubuwa masu hade-hade ba wai kawai suna taka rawa wajen karfafa bayani da filastik mai karamin zafin molybdenum ba, amma kuma suna samar da tsayayyen yanayin tarwatse, wanda zai iya inganta karfi da kuma sake maimaita zafin jiki na gami. Ana amfani da ginshiƙan molybdenum bisa ginshiƙan abubuwa masu dumama jiki, abrasive extrusion, gilashin narkewar wutar lantarki, murfin fesa, kayan aikin sarrafa ƙarfe, sassan kumbon sama da dai sauransu saboda ƙarfin su mai kyau, kwanciyar hankali na inji da kuma babban ductility.

2. Albarkatun molybdenum a duniya sun fi karkata ne a gefen gabashin Tekun Pacific, wato, daga Alaska da British Columbia ta Amurka da Mexico zuwa Andes, Chile. Mafi shahararrun tsaunuka sune tsaunukan Cordillera a Amurka. Akwai adadi mai yawa na molybdenum da kuma na jan karfe a cikin tsaunuka, kamar su clemesk da Henderson porphyry molybdenum da ke Amurka, elteniente da chuki a Chile andako porphyry molybdenum ajiya a Kanada da hailanwali porphyry copper molybdenum ajiya a Kanada, da dai sauransu China ma tana da arzikin molybdenum, inda lardunan Henan, Shaanxi da Jilin suka kai kashi 56.5% na yawan albarkatun molybdenum a China.

China tana daya daga cikin kasashen da suke da albarkatun molybdenum a duniya. Dangane da bayanan da Ma'aikatar kasa da albarkatu ta fitar, ya zuwa karshen shekarar 2013, ajiyar Molybdenum ta kasar Sin ta kai tan miliyan 26.202 (kayan karafa). A shekarar 2014, adadin Molybdenum na kasar Sin ya karu da tan miliyan 1.066 (kayan karafa), don haka ya zuwa shekarar 2014, ajiyar Molybdenum ta kasar Sin ta kai tan miliyan 27.268 (kayan karafa). Bugu da kari, tun daga shekarar 2011, kasar Sin ta gano ma'adanan molybdenum guda uku wadanda za su iya daukar nauyin tan miliyan 2, gami da shapingu a lardin Anhui. A matsayinta na kasa mafi girma ta albarkatun molybdenum a duniya, tushen albarkatun kasar Sin ya fi karko.