• 2022-05-31
    ‌The majority of composite use two consistuents: ()‏
    A: matrix
    B: fiber
    C: resin
    D: reinforcement
  • A,D

    内容

    • 0

      中国大学MOOC: Which is not the function of the matrix in a fiber-reinforced composite? ____

    • 1

      ‌Most composite materials consist of a selected or reinforcing material and a compatible resin to obtain the specific characteristics and properties desired.‍

    • 2

      Composite materials are mixtures of two or more materials._

    • 3

       The two major problems with posterior composite resin materials are A: A. wear resistance B: B. bulk fracture due to lack of tensile strength C: C. difficulty in attaining a good proximal contact D: D. difficulty in sealing the gingival margin of a class II preparation E: E. precise color matching

    • 4

      According to , optical fiber movable connectors can be divided into two types: aligning type and non-aligning type. A: Connection method B: Structure C: Optical fiber mutual contact relationship D: Optical fiber type