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    • 8. 发明公开
    • Portable x-ray diffractometer
    • 便携式Röntgendiffraktometer
    • EP2472252A1
    • 2012-07-04
    • EP11195865.8
    • 2011-12-28
    • Fondazione Bruno KesslerTNX S.r.l.
    • Deflorian, CorradoMarconi, Gian Paolo
    • G01N23/20
    • G01N23/20016G01N2223/301G01N2223/3303G01N2223/607G01N2223/629G01N2223/631
    • The invention is an X-ray diffractometer (1) suited to determine the residual stresses in polycrystalline materials subjected to analysis, comprising: a supporting structure (2) in which it is possible to identify a curved guide (3) essentially in the shape of an arc of a circle, along which a supporting carriage (4) is slidingly coupled; a driving unit (5) that sets the supporting carriage (4) moving along the curved guide (3); an X-ray source unit (6) and a detector unit (7), connected to the supporting carriage (4) for their rotation with respect to the point at the height of which said sample is positioned. In the X-ray diffractometer the driving unit (5) comprises: a driving bar (8) essentially arranged between the opposite ends (31, 32) of a chord of the curved guide (3) and defining a longitudinal axis (x) that lies on a plane (π) essentially parallel to the plane (ρ) defined by the same curved guide (3); a drive element (9) movable along the driving bar (8) and operatively associated with the supporting carriage (4) through articulation means (10) so as to allow the linear motion of the drive element (9) to be transformed in the curved motion of the supporting carriage (4); power means (11) associated with a first end of the driving bar (8) to set the drive element (9) moving according to the longitudinal axis (x).
    • 本发明是适于确定经过分析的多晶材料中的残余应力的X射线衍射仪(1),其包括:支撑结构(2),其中可以识别基本上为 一个圆弧,一个支撑滑架(4)沿其滑动联接; 驱动单元(5),其设置支撑托架(4)沿着弯曲引导件(3)移动; X射线源单元(6)和检测器单元(7),其连接到支撑托架(4),用于相对于所述样品所处的高度处的点旋转。 在X射线衍射仪中,驱动单元(5)包括:基本上布置在弯曲引导件(3)的弦的相对端(31,32)之间并且限定纵向轴线(x)的驱动杆(8) 位于基本上平行于由相同的弯曲引导件(3)限定的平面(Á)的平面(À)上; 驱动元件(9),其可沿着所述驱动杆(8)移动并且通过关节运动装置(10)与所述支撑托架(4)可操作地相关联,以便允许所述驱动元件(9)的所述线性运动变换成所述弯曲 支撑架(4)的运动; 与驱动杆(8)的第一端相关联的动力装置(11),以根据纵向轴线(x)设置驱动元件(9)移动。