904L igwe anaghị agba nchara eferebụ ụdị austenitic igwe anaghị agba nchara nke nwere obere carbon ọdịnaya na elu alloy nke e mere maka gburugburu nwere ajọ ajọ ọnọdụ. Ọ nwere mma corrosion eguzogide karịa316Lna317L, mgbe ị na-eburu n'uche ọnụahịa, arụmọrụ, na ọnụ ahịa ọnụ ahịa. elu. N'ihi mgbakwunye nke 1.5% ọla kọpa, ọ nwere ezigbo nguzogide corrosion megide ibelata acids dị ka sulfuric acid na phosphoric acid. Ọ nwekwara ezigbo nguzogide corrosion megide pitting corrosion stress na crevice corrosion nke ion chloride kpatara, ma nwee ezigbo nguzogide corrosion intergranular. Na sulfuric acid dị ọcha na ntinye uche nke 0-98%, okpomọkụ ọrụ nke efere ígwè 904L nwere ike ịdị elu ruo ogo 40 Celsius. Na phosphoric acid dị ọcha na ntinye uche nke 0-85%, nguzogide corrosion ya dị ezigbo mma. Na ụlọ ọrụ phosphoric acid nke usoro mmiri na-emepụta, adịghị ọcha nwere mmetụta siri ike na nguzogide corrosion. N'ime ụdị phosphoric acid niile, 904L super austenitic igwe anaghị agba nchara nwere nguzogide corrosion ka mma karịa igwe anaghị agba nchara. Na acid oxidizing siri ike, igwe anaghị agba nchara 904L nwere nguzogide corrosion dị ala karịa ụdị nchara dị iche iche. n'ime oke ịta ahụhụ a. Nguzogide corrosion nke ígwè 904L dị mma karịa nke igwe anaghị agba nchara. 904L igwe anaghị agba nchara nwere nnukwu iguzogide pitting corrosion. Ọ na-eguzogide corrosion crevice na ngwọta chloride. Ike dịkwa mma nke ukwuu. The elu nickel ọdịnaya nke904L ígwè eferena-ebelata ọnụ ọgụgụ corrosion na olulu na seams. N'ihi ọdịnaya nickel dị elu, 904L nwere nnukwu nguzogide nrụgide corrosion na-agbawa na ngwọta nitride, ngwọta hydroxide na gburugburu ebe ndị nwere hydrogen sulfide.
Oge nzipu: Nov-20-2023