作者: Ronald C. Minke , Kenneth J. West
DOI:
关键词: Core (optical fiber) 、 Composite material 、 Compression (geology) 、 Materials science
摘要: A door assembly (10) having a core (12) positioned within frame (14). The further includes pair of opposed molded skins (24, 26). There are edges adjacent the skins. 26) made polymer material, low profile additive and reinforcement fibers. Each has an exterior surface (28) interior (30). (30) is (12). textured pattern (31) consisting level portions (32) depressions (34). (34) have range in depth from about 0.025 mm to 1.0 (32). include undercuts (36) extent undercutting 0.10