Igwe anaghị agba nchara nwere opekempe chromium ọdịnaya nke 10.5%, na-eme ka ọ na-eguzogide ọgwụ na gburugburu mmiri mmiri na-emebi emebi yana oxidation. Ihe nkedo igwe anaghị agba nchara nwere nnukwu ihe na-eguzogide corrosion ma na-eyi ihe na-egbochi ya, na-enye ezigbo igwe, ma mara ya nke ọma maka ọdịdị ya dị mma.Nkedo itinye ego igwe anaghị agba ncharabụ "na-eguzogide corrosion" mgbe ejiri ya na gburugburu mmiri mmiri na vapors n'okpuru 1200°F (650°C) yana "ọkụ na-eguzogide" mgbe ejiri ya karịa okpomọkụ a.
Ihe mgbakwasị ụkwụ nke ihe nkedo nickel-base ma ọ bụ igwe anaghị agba nchara bụ chromium, nickel, na molybdenum (ma ọ bụ "moly"). Akụkụ atọ ndị a ga-ekpebi nhazi ọka nke ihe nkedo na ihe eji arụ ọrụ ma bụrụ ihe enyemaka n'ikike nkedo ahụ iji luso okpomọkụ, iyi, na corrosion ọgụ.
Anyịụlọ ọrụ ntinye egonwere ike rụpụta ihe nkedo ego igwe anaghị agba nchara nke dabara na nkọwapụta atụmatụ gị. Maka akụkụ sitere na iri iri gram ruo iri kilogram ma ọ bụ karịa, anyị na-enye nnabata siri ike yana akụkụ na-agbanwe agbanwe na akụkụ na-agbanwe agbanwe.
▶ Ike nke ulo oru nkedo nkedo
• Oke kachasị: 1,000 mm × 800 mm × 500 mm
• Oke arọ: 0,5 n'arọ - 100 n'arọ
• Ike kwa afọ: tọn 2,000
• Ihe nkwekọ maka ụlọ Shell: Silica Sol, Glass Water na ngwakọta ha.
• Nkwenye: Na Arịrịọ.
▶ Isi usoro mmepụta ihe nkedo wax furu efu
• Ụdị & Ngwá Ọrụ Imepụta → Metal Die Ime → Wax Injection → Slurry Assembly → Shell Building → De-Waxing → Chemical Composition Analysis → Agbaze & Ịwụ → Nchacha, Egweri & Mgbawa → Post nhazi ma ọ bụ mbukota maka Mbupu
▶ Na-enyocha ihe nkedo wax furu efu
• Spectrographic na ntuziaka quantitative analysis
• Metallographic analysis
• Brinell, Rockwell na Vickers nyocha ike siri ike
• Mechanical onwunwe nyocha
• Nnwale mmetụta okpomọkụ dị ala na nke nkịtị
• Nnyocha ịdị ọcha
• Nyocha UT, MT na RT
