Heat treatment method single-crystal nickel-based high-temperature alloy after cold deformation
A nickel-based superalloy, cold deformation technology, applied in heat treatment furnaces, heat treatment equipment, furnace types, etc., can solve problems such as heavy workload
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Embodiment 1
[0037] Step 1: Prepare a standard cylindrical sample with an aspect ratio of 2:1. The deformation mode is compression at room temperature, and the plastic deformation of the sample is 6.5%;
[0038]Step 2: Determine that the temperature below the standard solution temperature of the single crystal nickel-based superalloy is 150°C as the low-speed heating recovery heat treatment starting temperature of 1150°C, and the termination temperature is the standard solution temperature of the single crystal nickel-based superalloy of 1300°C;
[0039] Step 3: The heating rate is determined by different temperature zones. Between the start temperature and the end temperature, it is divided into a low temperature range and a high temperature range. According to the high temperature range is 0.618 times the temperature difference (golden section point) of the low temperature range, the low temperature range is 1150-1243 ° C, and the heating rate is 0.15 ° C / min, the high temperature rang...
Embodiment 2
[0044] Step 1: Prepare a standard cylindrical sample with an aspect ratio of 2:1. The deformation mode is compression at room temperature, and the plastic deformation of the sample is 6.5%;
[0045] Step 2: Determine that the temperature below the standard solution temperature of the single crystal nickel-based superalloy is 180°C as the low-speed heating recovery heat treatment starting temperature of 1120°C, and the end temperature is the standard solution temperature of the single crystal nickel-based superalloy of 1300°C;
[0046] Step 3: The heating rate is determined by different temperature zones. Between the start temperature and the end temperature, it is divided into a low temperature range and a high temperature range. According to the high temperature range is 0.618 times the temperature difference (golden section point) of the low temperature range, the low temperature range is 1120-1230 ° C, and the heating rate is 0.5 ° C / min, the high temperature range is 123...
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