Bayanin Gano Lalacewa

1. NDT tana nufin hanyar gwaji don kayan aiki ko kayan aiki waɗanda ba sa lalata ko shafar aikinsu ko amfani da su a nan gaba.

2. NDT na iya gano lahani a cikin ciki da saman kayan aiki ko kayan aiki, auna halaye na geometric da girman kayan aiki, da kuma tantance abun da ke ciki, tsari, halayen zahiri da yanayin kayan aiki ko kayan aiki.

3. Ana iya amfani da NDT wajen ƙira samfura, zaɓar kayan aiki, sarrafawa da ƙera su, duba kayayyakin da aka gama, duba su a cikin aiki (gyara), da sauransu, kuma suna iya taka rawa mafi kyau tsakanin kula da inganci da rage farashi. NDT kuma tana taimakawa wajen tabbatar da aiki lafiya da/ko amfani da kayayyaki yadda ya kamata.

Nau'ikan hanyoyin NDT

1. NDT ya ƙunshi hanyoyi da yawa waɗanda za a iya amfani da su yadda ya kamata. Dangane da ƙa'idodi daban-daban na zahiri ko abubuwan gwaji da dalilai, ana iya raba NDT zuwa hanyoyi masu zuwa:

a) Hanyar radiation:

——Gwajin X-ray da gamma ray;

——Gwajin rediyo;

——Gwajin kwamfuta (computer tomography);

——Gwajin rediyo na Neutron.

b) Hanyar Acoustic:

——Gwajin Ultrasonic;

——Gwajin fitar da hayaki mai sauti;

—— Gwajin sauti na lantarki.

c) Hanyar Magnetic:

——Gwajin halin yanzu na Eddy;

——Gwajin fitar ruwa.

d) Hanyar saman:

——Gwajin ƙwayoyin maganadisu;

——Gwajin shigar ruwa cikin ruwa;

——Gwajin gani.

e) Hanyar zubar da ruwa:

——Gwajin zubewa.

f) Hanyar Infrared:

——Gwajin zafin infrared.

Lura: ana iya ƙirƙiro da amfani da sabbin hanyoyin NDT a kowane lokaci, don haka ba a cire wasu hanyoyin NDT ba.

2. Hanyoyin NDT na al'ada suna nufin hanyoyin NDT da ake amfani da su sosai kuma manya a halin yanzu. Su ne gwajin rediyo (RT), gwajin ultrasonic (UT), gwajin eddy current (ET), gwajin barbashi mai maganadisu (MT) da gwajin shiga ciki (PT).