Study on airworthiness compliance demonstration method of aeroengine components fabricated through selective laser melting technique
Motivated by the demand of airworthiness compliance of civil aeroengine components fabricated using selective laser melting(SLM)technique,the applications of SLMed aeroengine components were summarized.Additionally,reference related to airworthiness compliance of SLMed components were analyzed.Meanwhile,airworthiness compliance demonstration method of SLMed aeroengine components was investigated.Presently,some SLMed aeroengine components have passed the airworthiness certification in foreign countries.However,China is still in the initial stage in this field.According to the related reference and airworthiness compliance demonstration method of aeroengine components manufactured through traditional processing techniques,the airworthiness compliance demonstration method of SLMed aeroengine components should mainly contain the following parts:establishment of selective laser melted material specifications,certification of selective laser melting process,identification of material quality and determination of material properties.
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