Kungaphansi kwaziphi izimo lapho insimbi engagqwali yokuhlobisa ithambekele ekugqwaleni?
Ngemva kokugoba, ukusonta, nokugoqa, insimbi engagqwali ivame ukugqwala nokugqwala ngenxa yokuvela kokuqhekeka kwezindawo ezingaphandle (okungukuthi, isakhiwo sangaphakathi se-intergranular sonakele).
Kungani insimbi engagqwali ithambekele ekugqwaleni ngemva kokuguquka okubandayo?
Insimbi engagqwali esetshenziselwa ukuhlobisa ayigqwali nje kuphela ngenxa yokukhubazeka kwayo, kodwa futhi ithonywa kakhulu yindawo ezungezile, njengomswakama, izinga lokushisa, ijubane lokugeleza, indlela yokugeleza, ukwakheka kanye nenani lokungcola emoyeni.
Ezindaweni ezingcolisa umoya nezingcolisa kancane, uma izinga lokugqwala lingaphansi kuka-0.01mm ngonyaka, kubhekwa "njengokumelana nokugqwala ngokuphelele".
Kodwa-ke, ukugqwala kungase kwenzeke ezindaweni ze-CL (njengosawoti), i-sulfuric acid, i-oxalic acid (evame ukusetshenziswa ekuhlanzeni udonga lwangaphandle), i-hydrochloric acid, kanye nezinto zokuhlanza ze-ceramic (ezisetshenziselwa ukuhlanza imihlobiso yangaphakathi).
Ungakugwema kanjani ukugqwala kwensimbi engagqwali?
Izinto ezingathathi hlangothi (njengamanzi) kufanele zisetshenziswe ekuhlanzeni njalo ngesikhathi sokulungisa ukuze kuncishiswe ukunamathela kwezinto ezigqwalisayo kanye nokugqwala. Ngaphezu kwalokho, izinto ezibukhali (njengezinsika namabhulashi ensimbi) kufanele zigwenywe ekuklwebheni ukuze kugwenywe ukuthinta ukubukeka nokulimaza isakhiwo se-intergranular kanye nokugqwala.
Isikhathi sokuthunyelwe: Agasti-27-2025