Ageing effect on the properties of CuCrZr alloy used for the ITER HHF components

Characterization of CuCrZr and CuCrZr/SS joint strength for different blanket components manufacturing conditions

“…In the main, there is no abnormal outcome compare to [2][3][4][5]. As expected, the best result concerning tensile strength (YS and UTS) is obtained with route C3 (classical and optimal heat treatment conditions).…”

“…Initially, the manufacturing condition retained was a HIP treatment combined with a fast cooling plus a subsequent ageing treatment, and several studies have been conducted assuming this manufacturing route [2][3][4][5][6]. But for safety of the HIP vessel reasons, it was decided to perform a separate heat treatment after a conventional HIP treatment, normal cooling %8°C/mn.…”

“…Different temperatures, cooling rates and duration of temperature step are possible and their effects had to be investigated. Ageing temperature and treatment duration after a HIP quench have been explored thoroughly in several studies [2][3][4][5] as well as the precipitation in the material [6,7]. The manufacturing conditions are presented in Table 1.…”

Strength properties and structure of CuCrZr alloy subjected to low-temperature KOBO extrusion and heat treatment

“…In a tensile test at room temperature in an alloy with nominal composition (Cu1Cr0.1Zr) YS = 250 MPa, UTS = 370 MPa, and E = 40%, and at 450°C, these parameters drop to the value of YS = 140 MPa, UTS = 190 MPa, and E = 37% [7]. In this context, Cu-0.85wt%Cr-0.09wt%Zr alloy after annealing at 970÷1000°C/ 0.5÷1 h and aging at 350÷650°C/1÷180 min particularly stands out, because at room temperature, its YS ≈ 340 MPa and UTS ≈ 445 MPa, and what is more, it is not too sensitive to overaging; therefore, its strength and plastic properties are only slightly reduced at 650°C [17].…”

Cyclic plastic behavior of unidirectional SiC fibre-reinforced copper composites under uniaxial loads: An experimental and computational study

“…precipitation hardened CuCrZr alloy, oxide particle-dispersed Cu) have been widely used as heat sink materials owing to their excellent conductivity and reasonably high strength and ductility [1][2][3]. But, copper-base materials can experience detrimental effects like softening and creep after long-term thermal exposure or by neutron irradiation at an elevated temperature (>300°C) [4,5]. Such irreversible degradation occurs due to microstructural aging (e.g.…”