Phosphating pretreatment akara maka metal akụkụ ma ọ bụ welded akụkụ

Iron phosphate bụ ihe a na-ejikarị eme ihe maka mkpuchi ntụ ntụ n'ihi na enwere ike iji ya na ihe ọ bụla ma nwee ngwaahịa bi-products ma ọ bụ sludge karịa gburugburu ebe obibi. A na-ejikarị usoro a eme ihe na ihe nchara.

Zinc phosphate bụ ihe na-abụghị ọla, mkpuchi kristal nke na-araparasi ike na ihe. Ọ dị mkpa iburu n'obi, zinc phosphate na-esi na ngwọta ya n'onwe ya, ọ bụghị site na akụkụ elu dị ka mkpuchi phosphate ígwè. kristal Zinc phosphate na-amalite na-akpụ na anodic na-ebupụta n'elu akụkụ ahụ ma kwụsị ịmalite mgbe akụkụ elu ahụ na-eri, ya bụ. ha kụrụ kristal ọzọ. N'adịghị ka ígwè phosphate ígwè, a zinc phosphate enweghị ike ihicha na uwe n'otu oge: Ya mere, a anọ ogbo--asacha, itucha, zinc phosphate, itucha bụ a nkịtị ntọala. Ọ bụ ezie na zinc phosphating na-enye ihe mkpuchi mkpuchi ka mma, mkpuchi dị mma na mpaghara siri ike yana nguzogide corrosion ka mma, usoro ahụ nwere ụgwọ ọrụ dị elu, na-eji ọla dị arọ, ma nwee ike ịmepụta sludge buru ibu, ọ dịghị nke ọ bụla n'ime ha na-emekọrịta ihe na gburugburu ebe obibi maka ebumnuche mkpofu. A na-ejikarị Zinc phosphate eme ihe na ihe igwe galvanized.

A na-ejikarị chromium phosphate eme ihe maka akụkụ aluminom dabere. Ọ bụ ezie na usoro a na-arụ ọrụ nke ọma, dị ka zinc phosphate, ọ na-eji ọla dị arọ nke dị mkpa iji nwetaghachi maka mkpofu gburugburu ebe obibi.

●Njikwa Usoro Phosphate

Ịchịkwa usoro phosphating dị mkpa iji nweta mkpuchi na-agbanwe agbanwe nke na-emecha nweta usoro mkpuchi kwụsiri ike. Ihe njikwa usoro kachasị mkpa na mkpuchi mgbanwe phosphate bụ:

Oge - ogologo oge kọntaktị na-abawanye oge iji meghachi omume na kemịkalụ, usoro ahụ ga-adị ogologo oge iji kwe ka kemịkalụ mepụta mkpuchi otu.

Okpomọkụ - kemịkalụ na-emekarị ihe ike na okpomọkụ dị elu

Ntinye uche na pH - ka acid na-etinyekwu uche na-eme ka usoro mkpuchi ahụ dịkwuo elu ma nwee ike ime ka mkpuchi dị arọ karị.