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Sesosa sa ho hloleha ho senyeha ka mor'a likhoeli tse 18 tsa valve ea filthara ea tšepe e sa hloekang e sebelitse likhoeli tse 18, 'me valve ea ho robeha e ile ea fumanoa le ho hlahlojoa bakeng sa valve ea ho robeha, lesela la khauta le sebopeho sa lik'hemik'hale.Liphello li bontša hore sebaka se petsohileng sa valve ke khetla, 'me ntho ea filthara e hlahloba sebaka hape, ke hore, ho mamella karolo e kholo ea khatello ea khase, mohloli oa khoholeho le mohloli oa ho phatloha ho simolohile motsong oa khoele e ka hare. , e fetiselitsoe ka holim'a bokahare ba khetla ea valve ho ea ka ntle Thepa ke ferrite + martensite li-tissue tsa linaha tse peli, 'me palo ea molumo oa lesela la perchine ke 15% ho 25%.Ka tlas'a molomo o robehileng oa "valve" o bataletse, 'me mapetsong a pakeng tsa lijo-thollo a tletse hohle, ho bontša litšobotsi tsa likaroloana tse hlabang.Ho na le liphapang tse kholo ho CR le Ni content ka har'a sebopeho sa "valve" ea filthara, 'me litaba tsa ferrite li kholo ho feta 10%, tse fokotsang ho tiea ha polasetiki ea thepa.Ena ke ntlha ea tlhaho ea ho hlōleha ha thepa;Khoholeho ea mobu e tsoakane le karolo ea bobeli ea carbon-rich le chromium ho hlaphoheloa ha lintho tse bonahalang, le mapetsong sebakeng seo khatello ea kelello e tsepamisitsoeng ho eona.Tlas'a tšusumetso ea khatello ea maikutlo e fapanyetsanang, ho phatloha ho ntse ho atolosoa, 'me thepa e tla qetella e robehile.

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Nako ea poso: Sep-14-2023