Na usoro mmepụta nke astm a179oyi amịpụtara enweghị nkebi ígwè anwụrụ, e nwere oyi na-atụ hardening na hydrogen embrittlement onu, nke oyi na-adọta enweghị enweghị nkebi tube cracking bụ isi ihe kpatara ya.

Analysis of the onu nke bursting astm a179 oyi adọta enweghị nkebi ọkpọkọ bụ a nta dayameta nke enweghị nkebi ígwè anwụrụ site na ịbịaru anwụ maka oyi na-akpụ oyi na-akpụ, usoro ụzọ na-adịkarị annealing, pickling, ịbịaru.Oyi adọtara obere dayameta enweghị nkebi ọkpọkọ nchara n'usoro eserese, mgbe ụfọdụ site na mmalite ruo na njedebe dị ka ihe mgbawa achara cracker, anyị na-akpọ ihe a na-agbawa.

Ihe kpatara mgbawa bụ:

Mmetụta nke ịrụsi ọrụ ike, ọkpọkọ nchara na-emepụta nnukwu nrụrụ plastik n'oge eserese oyi, na-eme ka mgbagha lattice dị ịrịba ama, nke na-eme ka ike nke lattice dịkwuo elu ma na-eme ka ike dị n'ime nke ígwè ahụ dịkwuo elu, na-akpata nrụgide n'ime ụlọ na-enweghị isi nke metal na nrụgide fọdụrụnụ. .Nke a ga-amụba ike ígwè, ike na-ebelata.Ka ịdị elu ígwè siri ike dị elu, ka nrụgide dị n'ime ya na-adịwanye ukwuu n'oge ịse oyi, otú ahụ ka ọrụ ahụ siri ike pụta ìhè karị.Mgbe nrụgide fọdụrụnụ ruru ụfọdụ uru, ígwè ahụ ga-adọka n'akụkụ ụfọdụ interface ọka, nguzobe nke ọkpọkọ ígwè dị nro.

Mmetụta nke embrittlement hydrogen, na usoro nke iji acid na-emebi emebi, sulfuric acid na ígwè na-emeghachi omume na-ebuli hydrogen.Hydrogen na-abanye n'ime ígwè n'ụdị atom ma ọ bụ ion iji mepụta ngwọta siri ike.Mmetụta nke hydrogen na ihe eji arụ ọrụ nke ígwè bụ ụdị nke mgbaka hydrogen.