Semiconductors based on SiC have broad application prospects in particle detectors and power devices due to their excellent performance in extreme environments,such as environments in space exploration or nuclear faci...Semiconductors based on SiC have broad application prospects in particle detectors and power devices due to their excellent performance in extreme environments,such as environments in space exploration or nuclear facilities.4H-SiC is widely used.It has large forbidden bandwidth(3.2 eV)and high electron mobility(1200 cm^(2)·V^(-1)·s^(-1)).Consequently,4H-SiC Schottky barrier diodes(SBD)are capable of operating under harsh conditions with high temperatures and high levels of radiation.This new generation of particle detectors holds great potential^([1]).展开更多
Our previous study has found that FeCrVTi_(x) medium-entropy alloys(MEAs)with BCC matrix and Laves precipitation have high yield strength(1097-1493 MPa),good fracture strain(27.1%-47.7%)and excellent thermal conductiv...Our previous study has found that FeCrVTi_(x) medium-entropy alloys(MEAs)with BCC matrix and Laves precipitation have high yield strength(1097-1493 MPa),good fracture strain(27.1%-47.7%)and excellent thermal conductivity(42.2-69.7 W/(m·K)at 673-1273 K),it is expected to be widely applied in the elds of advanced nuclear energy and aerospace^([1]).However,what is the mechanism of strengthening and high thermal conductivity of this MEAs?展开更多
The corrosion behavior of metallic materials is an inevitable natural phenomenon.Seawater is a common service environment for metallic structural materials(ships,bridges,oil rigs,submarine pipelines,etc.),and the dama...The corrosion behavior of metallic materials is an inevitable natural phenomenon.Seawater is a common service environment for metallic structural materials(ships,bridges,oil rigs,submarine pipelines,etc.),and the damage caused by seawater corrosion is severe because that corrosion can accelerate the failure of metallic materials.On the other hand,Pressurized Water Reactor(PWR)is widely used in worldwide nuclear power plants in operation.展开更多
文摘Semiconductors based on SiC have broad application prospects in particle detectors and power devices due to their excellent performance in extreme environments,such as environments in space exploration or nuclear facilities.4H-SiC is widely used.It has large forbidden bandwidth(3.2 eV)and high electron mobility(1200 cm^(2)·V^(-1)·s^(-1)).Consequently,4H-SiC Schottky barrier diodes(SBD)are capable of operating under harsh conditions with high temperatures and high levels of radiation.This new generation of particle detectors holds great potential^([1]).
文摘Our previous study has found that FeCrVTi_(x) medium-entropy alloys(MEAs)with BCC matrix and Laves precipitation have high yield strength(1097-1493 MPa),good fracture strain(27.1%-47.7%)and excellent thermal conductivity(42.2-69.7 W/(m·K)at 673-1273 K),it is expected to be widely applied in the elds of advanced nuclear energy and aerospace^([1]).However,what is the mechanism of strengthening and high thermal conductivity of this MEAs?
文摘The corrosion behavior of metallic materials is an inevitable natural phenomenon.Seawater is a common service environment for metallic structural materials(ships,bridges,oil rigs,submarine pipelines,etc.),and the damage caused by seawater corrosion is severe because that corrosion can accelerate the failure of metallic materials.On the other hand,Pressurized Water Reactor(PWR)is widely used in worldwide nuclear power plants in operation.
