钛合金薄壁件选区激光熔化应力演变的数值模拟
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Numerical Simulation of Stress Evolution of Thin-Wall Titanium Parts Fabricated by Selective Laser Melting
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图5. SLM成形Ti-6Al-4V合金薄壁件晶粒生长方向的数值模拟与实验结果对比 |
Fig.5. Comparisons of simulation and experimental results of grain growth orientation during SLM of Ti-6Al-4V thin-walled parts (The tilt angles between the maximum heat ?ow directions and the building direction can be calculated from the temperature gradients at the tail of the molten pool boundary (θsim), and also measured experimentally by analyzing optical micrographs (θexp))Color online |
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