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中厚鋼板的力學性能檢測

作者：來源：发布日期： 2020.09.28

信息摘要：

中厚鋼板的力學性能檢測

中厚鋼板的力學性能檢測

中厚钢板产品有着广泛的应用，如包括造船、建筑、大直径焊接管和锅炉。通常，中厚钢板的厚度在10 mm和200 mm之间。

詳細信息

中厚钢板产品有着广泛的应用，如包括造船、建筑、大直径焊接管和锅炉。通常，中厚钢板的厚度在10 mm和200 mm之间。此分类标识板材的材料成分(碳含量、合金等)，表明其屈服强度和抗拉强度高于预定值、断面收缩和伸长在公差范围内，而且此中厚钢板达到最低硬度要求。确保中厚钢板符合所颁分类标准的要求，这对于设计安全可靠的产品是至关重要的。

拉伸

中厚鋼板拉伸試驗測試其拉伸特性，如屈服強度和極限強度、斷面收縮和伸長。試驗系統需在堅固耐用的同時，保證測試結果的准確和穩定。試驗機及其夾具和測量系統必須不受熱軋試樣表面氧化層汙染的影響。在處理變形(扭曲或彎曲)試樣時，務必確保試樣測量站和夾具的可靠性。試驗控制軟件必須采用先進的算法，以計算各種應變/應力曲線的試驗結果。

解決方案

闭环控制；载荷范围为100 kN至2,000 kN。自动化系统减少了操作人员测量技术的可变性，提高了试验结果的可靠性和可重复性。提供了各类夹具，包括手动、全自动气动/液压式楔形夹具等。

彎曲

导向彎曲试验用于评估中厚钢板板材的塑性。根据使用的机架，基座随台面上升或横梁下降而弯心施力于试样，由此产生彎曲力。试样受弯心施加的力而与基座上的支辊形成180度彎曲。试验所需的弯心直径取决于中厚钢板的厚度。试验机需具有固定夹具的功能，以防止试验期间出现滑动。

解決方案

彎曲夹具，以测试中厚钢板试样的塑性。夹具使用规定直径的弯心保持弯心与基座的对齐，使力作用于跨距中心。

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The Curate, of course, had heard nothing about the Clockwork man's other performances; he had scarcely heeded the hints thrown out about the possibility of movement in other dimensions. It seemed to him, in the uncertain light of their surroundings, that the Clockwork man's right arm gradually disappeared into space. There was no arm there at all. Afterwards, he remembered a brief moment when the arm had begun to grow vague and transparent; it was moving very rapidly, in some direction, neither up nor down, nor this way or that, but along some shadowy plane. Then it went into nothing, evaporated from view. And just as suddenly, it swung back into the plane of the curate's vision, and the hand at the end of it grasped a silk hat. Good fitting is often not so much a question of skill as of the standard which a workman has fixed in his mind, and to which all that he does will more or less conform. 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