Mpempe turbine siri ike nwere silicides molybdenum

Ndị na-eme nchọpụta na Mahadum Kyoto achọpụtala na molybdenum silicides nwere ike imeziwanye arụmọrụ nke eriri turbine na sistemu ọkụ ọkụ ọkụ.

Turbine gas bụ igwe na-emepụta ọkụ eletrik na ụlọ ọrụ ọkụ. Okpomọkụ na-arụ ọrụ nke sistemu combustion ha nwere ike gafere 1600 Celsius. Igwe turbine nke dabere na nickel eji na sistemu ndị a na-agbaze na okpomọkụ 200 Celsius C dị ala ma si otú a na-achọ ka ikuku dị jụụ rụọ ọrụ. Mpempe turbine nke ejiri ihe nwere okpomọkụ na-agbaze dị elu ga-achọ obere mmanụ ọkụ ma mee ka ikuku CO2 belata.

Ndị ọkà mmụta sayensị ihe onwunwe na Mahadum Kyoto nke Japan nyochara njirimara nke ụdị dị iche iche nke molybdenum silicides, na-enweghị ihe ndị ọzọ na-esote.

Nnyocha ndị gara aga gosiri na ịmepụta ihe ndị dabeere na molybdenum silicide site na ịpị na ikpo ọkụ ha powders - nke a maara dị ka metallurgy ntụ ntụ - kwalitere nguzogide ha na mgbawa na ọnọdụ okpomọkụ ma wedata ike ha dị elu, n'ihi mmepe nke silicon dioxide n'ígwé n'ime ihe.

Ndị otu Mahadum Kyoto ji usoro a maara dị ka “ịgbasi ike ntụzịaka,” bụ́ nke ígwè a wụrụ awụ na-eji nwayọọ nwayọọ na-esikwu ike n'ebe ụfọdụ.

Ndị otu ahụ chọpụtara na enwere ike ịmepụta ihe na-emekọ ihe ọnụ site n'ịchịkwa ọnụ ọgụgụ siri ike nke molybdenum silicide dabeere na ihe mejupụtara n'oge a na-emepụta ihe na site n'ịgbanwe ọnụ ọgụgụ nke ternary element na-agbakwunye na ihe mejupụtara.

Ihe si na ya pụta na-amalite nrụrụ plastik n'okpuru mkpakọ uniaxial n'elu 1000 Celsius. Ọzọkwa, ike okpomọkụ dị elu nke ihe ahụ na-abawanye site na nchacha microstructure. Ịtinye tantalum na ihe mejupụtara dị irè karịa ịgbakwunye vanadium, niobium ma ọ bụ tungsten maka imeziwanye ike nke ihe na okpomọkụ gburugburu 1400 Celsius. Alloys ndị otu Mahadum Kyoto kpụpụtara siri ike na oke okpomọkụ karịa superalloys nke nwere nickel ọgbara ọhụrụ yana ihe arụpụtara oke ọkụ na nso nso a, ndị nyocha ahụ na-akọ n'ọmụmụ ihe ha bipụtara na akwụkwọ akụkọ Science and Technology of Advanced Materials.


Oge nzipu: Dec-26-2019