Na-anya isikacha agbaze na esi isiihe niile a maara,tungstenaghọwo nhọrọ a ma ama maka ngwa metụtara oke okpomọkụ, gụnyereeriri ọkụ ọkụ, arc ịgbado ọkụ, ihe mkpuchi radieshonna, nso nso a, dị kaihe na-eche ihu na plasmana fusion reactors dị ka ITER Tokamak.

Agbanyeghị,mgbawa nke tungsten si pụta, na microcracking na-eme mgbe a na-emepụta ihe mgbakwunye (3-D mbipụta) naígwè na-adịghị ahụkebe, egbochila nnabata ya n'ebe nile.

Iji mara otú na ihe mere microcracks ndị a na-etolite, ndị ọkà mmụta sayensị Lawrence Livermore National Laboratory (LLNL) ejikọtawo ihe ngosi thermomechanical na vidiyo dị elu nke e weere n'oge laser powder-bed fusion (LPBF) metal 3-D usoro obibi akwụkwọ.Ọ bụ ezie na nyocha gara aga bụ naanị nyocha nke mgbawa mgbe arụchara ụlọ, ndị ọkà mmụta sayensị na nke mbụ nwere ike iji anya nke uche hụ mgbanwe mgbanwe ductile-to-brittle (DBT) na tungsten ozugbo, na-enye ha ohere ịhụ ka microcracks si malite na gbasaa dị ka ígwè. dị ọkụ na mma.Ndị otu ahụ nwere ike ijikọ ihe omume microcracking na mgbanwe dị ka nrụgide fọdụrụnụ, ọnụego nsogbu na ọnọdụ okpomọkụ, wee kwado na DBT kpatara mgbawa ahụ.

Ndị nchọpụta kwuru na ọmụmụ ihe ahụ, nke e bipụtara n'oge na-adịbeghị anya n'akwụkwọ akụkọ Acta Materialia ma bụrụ nke e gosipụtara na mbipụta Septemba nke akwụkwọ akụkọ MRS Bulletin a ma ama, na-ekpughe usoro ndị bụ isi na-akpata mgbawa.Tungsten e biri ebi 3Dma na-esetịpụ ntọala maka mbọ ga-eme n'ọdịnihu iji mepụta akụkụ na-enweghị mgbawa site na igwe.

"N'ihi ihe onwunwe ya pụrụ iche,tungstenarụwo ọrụ dị ịrịba ama na ngwa ndị a kapịrị ọnụ maka Ngalaba Ike na Ngalaba Nchebe," ka onye nchọpụta ngalaba-isi Manyalibo "Ibo" Matthews kwuru.“Ọrụ a na-enyere aka meghee ụzọ n'ebe a na-emepụta ihe mgbakwunye ọhụrụtungstennke nwere ike inwe mmetụta dị ukwuu na ọrụ ndị a."

Site na nlebanya nnwale ha na ihe nlere mgbakọ na mwepụ ejiri LLNL's Diablo finite element code, ndị nyocha ahụ chọpụtara na microcracking na tungsten na-apụta na obere windo dị n'etiti 450 na 650 degrees Kelvin ma dabere na ọnụego nje, nke usoro usoro na-emetụta ozugbo.Ha nwekwara ike ijikọta nha ebe mgbawa ahụ metụtara na mgbawa netwọk morphology na nrụgide fọdụrụnụ nke mpaghara.

Lawrence Fellow Bey Vrancken, onye ndu akwụkwọ akụkọ ahụ na onye na-eme nchọpụta, chepụtara ma mee nnwale ndị ahụ ma duzie ọtụtụ nyocha data.

"Echere m na a ga-egbu oge na mgbawa maka tungsten, mana nsonaazụ ya karịrị ihe m tụrụ anya," Vrancken kwuru."Ụdị thermomechanical ahụ nyere nkọwa maka nyocha nnwale anyị niile, ma ha abụọ bụ nke zuru ezu iji weghara ndabere ọnụego nke DBT.Site na usoro a, anyị nwere ngwá ọrụ magburu onwe ya iji chọpụta usoro kachasị dị irè iji kpochapụ mgbawa n'oge LBPF nke tungsten.

Na-eme nnyocha kwuru na ọrụ na-enye a zuru ezu, isi nghọta nke mmetụta nke usoro parameters na gbazee geometry na mgbape guzobe na-egosi mmetụta ihe mejupụtara na preheating nwere na structural iguzosi ike n'ezi ihe nke akụkụ e biri ebi na tungsten.Ndị otu ahụ kwubiri na ịgbakwunye ụfọdụ ihe alloy nwere ike inye aka belata mgbanwe DBT ma wusie ígwè ahụ ike, ebe ikpo ọkụ nwere ike inye aka belata microcracking.

Ndị otu a na-eji nsonaazụ ya nyochaa usoro mbelata mgbawa dị adị, dị ka usoro na mgbanwe alloy.Nchoputa a, tinyere nyocha nke emepụtara maka ọmụmụ ihe ahụ, ga-adị mkpa maka ebumnuche ikpeazụ nke Laboratory nke 3-D na-ebipụta akụkụ tungsten na-enweghị mgbawa nke nwere ike iguzogide oke gburugburu, ndị nchọpụta kwuru.