Wɔ nnɛyi tumi adwumayɛ mu no, wɔde dade a ɛko tia ɔhyew-sɛ ade titiriw, di dwuma kɛse wɔ nneɛma ahorow a ɛkorɔn-temperature ne soro-nhyɛso tebea horow mu. Ne soronko a ɛkorɔn-temperature ahoɔden, oxidation resistance ne creep resistance ma ɛyɛ ade a wɔpɛ ma core components te sɛ power plant boilers, steam pipes ne steam turbines. Ɔhyew a ɛwɔ hɔ no ho ntease-aduru a ɛko tia no boa ma nnwinnade nhyehyɛe yɛ papa, ɛtrɛw ɔsom adwuma no mu na ɛma adwumayɛ tu mpɔn.
Ɔhyew a ɛwɔ hɔ no ho tebea a ɛwɔ hɔ-a ɛyɛ dade a ɛko tia no gyina ne nnuru a ɛwɔ mu ne microstructure so titiriw. Ɔhyew a ɛtaa ba-ɛko tia dade a ɛko tia no bi ne ade a ɛba fam-Alloy heat{{4}ɛko tia dade a ɛko tia, a ɛkorɔn-agya ɔhyew-ɛko tia dade (te sɛ dade a ɛnyɛ den) ne nickel{7}}gyina so{8}}ɔhyew a wɔde afra. Saa nneɛma yi betumi akura mfiridwuma su a ɛyɛ den mu wɔ soro-temperature mmeae a ɛyɛ digrii 500 kosi 1100 na ɛfata ma anyinam ahoɔden mfiri nnwinnade wɔ adwumayɛ tebea ahorow mu.
Wɔ fango mu{0}}afiri a wɔde yi anyinam ahoɔden, boiler heating surfaces, superheaters, reheaters ne nneɛma afoforo no da adi wɔ-temperature flue gas environments mu bere tenten, na oxidation resistance ne corrosion resistance a ɛwɔ ɔhyew{2}}resistant steel mu no ho hia kɛse. Sɛ nhwɛso no, ɔhyew-dadeɛ a ɛko tia a ɛwɔ alloy elements te sɛ chromium ne molybdenum no tumi gyina ano yie-temperature oxidation ne sulfidation corrosion, atrɛ adwumayɛ nkwa nna mu wɔ nnwinnadeɛ mu. Bio nso,-temperature blades ne rotors a ɛwɔ steam turbines mu no nso hwehwɛ sɛ ɔhyew-ɛko tia dade na ama atumi agyina centrifugal ahoɔden ne soro-temperature steam erosion ase wɔ soro-ntɛm a ɛkyinkyini no ase.
Gas turbines wɔ ahwehwɛde ahorow a emu yɛ den kɛse ma ɔhyew{0}}a ɛko tia dade. Esiane sɛ gas hyew no taa boro 1000℃, ɔhyew-ɛko tia dade hia sɛ ɛwɔ sorokɔ a ɛkorɔn-temperature ahoɔden ne creep resistance. Nickel-gyina soro-temperature alloys abɛyɛ ade titiriw a ɛwɔ soro-temperature components of gas turbines esiane wɔn sorokɔ a ɛkorɔn-temperature adwumayɛ nti. Bere koro no ara mu no, ɛsɛ sɛ ɔhyew-dadeɛ a ɛko tia no nso yɛ nsakraeɛ ma ɛyɛ mfitiaseɛ-gyina hɔ kyinhyia na wɔakwati nneɛma a ɛsɛe a ɛnam ɔbrɛ a ɛma ɔbrɛ so de ba no.
Wɔ fango a wɔde di dwuma wɔ amanne kwan so-agya ne gas-afiri a wɔde yi anyinam ahoɔden mu no, wɔde dade a ɛko tia ɔhyew-ɛko tia ɔhyew nso di dwuma kɛse wɔ nuklea ahoɔden mfiri, biomass ahoɔden a wɔde yɛ adwuma, ne anyinam ahoɔden a wɔde hyew nneɛma a wɔde hyew nneɛma mu. Nuklea ahoɔden adwumayɛbea bi a ɛyɛ hyew ne nsu a ɛyɛ hyew a ɛyɛ hyew no hwehwɛ ɔhyew-aduru a ɛko tia na ama adwumayɛ a ɛyɛ den no akɔ so ayɛ adwuma yiye wɔ ɔhyew a ɛkorɔn ne nhyɛso a ɛkɔ soro mu, bere a mframa a ɛyɛ hyew a ɛwɔ biomass ahoɔden a wɔde yɛ adwuma no mu no hwehwɛ sɛ ɔhyew-ɛko tia dade na ama wɔatumi agyina nsu a ɛyɛ den ano.
Bere a tumi adwuma no renya nkɔso wɔ ahoɔden a ɛkorɔn ne carbon a ɛba fam mu no, ɔhyew a ɛwɔ ɔhyew mu-sentifed steel no nso renya nkɔso bere nyinaa. Daakye, nhwehwɛmu ne nkɔsoɔ a ɛwɔ ɔhyew-aduru a ɛko tia mu no bɛma wɔn ani aku nneɛma a ɛkari pɛ wɔ-temperature ahoɔden, corrosion resistance ne sikasɛm mu de adi ahiadeɛ ahodoɔ a ɛwɔ anyinam ahoɔden mfiri nnwinnadeɛ ho dwuma.
