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不锈钢的拉力机试验报告GB/T 228.1-2010

作者：來源：发布日期： 2020.10.21

信息摘要：

不锈钢的拉力机试验报告GB/T 228.1-2010

試驗方案：不鏽鋼材料的拉伸試驗方案
試驗設備：三思泰捷拉力機CMT-4104
送檢單位：某航空機電有限公司
試驗夾具：旋轉楔形拉伸配锉刀塊
计算标准：GB/T 228.1-2010
試樣形狀：板材
試驗日期：2015-06-29
試驗速度：1mm/min
试样宽度：12.5 mm
试样厚度：0.06 mm
原始标距：50 mm

求取參數：抗拉強度（Rm)、屈服強度、斷裂伸長率（At)、斷後伸長率

該客戶是一家主要從事航空配電系統、防火與滅火系統等航空電氣産品研發制造的高新技術企業，也是中國航空電器的發源地。該企業的産品廣泛應用于航空、航天、運輸、煤炭、化工、石油、輕紡、建築、食品、醫療、家電等多種領域。不鏽鋼材料，通俗地說，不鏽鋼就是不容易生鏽的鋼，鋼在大氣、水等弱介質中和硝酸等氧化性介質中，其耐蝕性隨鋼中鉻含水量的增加而提高，當鉻含量達到一定的百分比時，鋼的耐蝕性發生突變，即從易生鏽到不易生鏽，從不耐蝕到耐腐蝕。實際上一部分不鏽鋼，既有不鏽性，又有耐酸性(耐蝕性)。不鏽鋼的不鏽性和耐蝕性是由于其表面上富鉻氧化膜(鈍化膜)的形成。在衆多的工業用途中，不鏽鋼都能提供今人滿意的耐蝕性能，此外，不鏽鋼以其漂亮的外觀、耐腐蝕的特性、不易損壞的優點，也越來越受到人們的青睐。此次該客戶委托我司做了不鏽鋼材料的拉伸試驗方案，如下的試驗數據及參數是用我們三思泰捷的拉力機試驗得出的結果：

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"And sure," she said, "and I hope that wretched old Feejee won't be in Japan at all, at all, and the horrid haythens won't roast him." THIRD-CLASS PASSENGERS. THIRD-CLASS PASSENGERS. I was about to put a false meaning even on that, when she added "We don't need the ford this time of year; let us ride back as if we gave up the trip--for there may be a vidette looking at us now in the edge of those bushes--and as soon as we get where we can't be seen let us take a circuit. We can cross the creek somewhere above and strike the Wiggins road up in the woods. You can find your way by the blessed stars, can't you--being the angel you are?" "Good-night, gentlemen," said the doctor at last. As he passed into the darkness Quinn bent a mock frown upon his young superior. It would require a mathematical diagram to describe the incident with absolute accuracy. 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. If this standard is one of exactness and precision, all that is performed, whether it be filing, turning, planing, or drawing, will come to this standard. This faculty of mind can be defined no further than to say that it is an aversion to whatever is imperfect, and a love for what [171] is exact and precise. There is no faculty which has so much to do with success in mechanical pursuits, nor is there any trait more susceptible of cultivation. Methodical exactness, reasoning, and persistence are the powers which lead to proficiency in engineering pursuits. I was the only civilian in that road, and the soldiers, with much curiosity, stared at me. Whenever I noticed an officer, I gave an elaborate military salute, and with such an air that the officers, although hesitating at first, did not fail to return the salute. The reformed system of education was to be not only moral and religious but also severely scientific. The place given to mathematics as the foundation of a right intellectual training is most remarkable, and shows how truly Plato apprehended the conditions under which knowledge is acquired and enlarged. Here, as in other respects, he is, more even than Aristotle, the precursor of Auguste Comte. He arranges the mathematical sciences, so far as they then existed, in their logical order; and his remarks on the most general ideas suggested by astronomy read like a divination of rational mechanics. That a recommendation of such studies should be put into the mouth of Socrates is a striking incongruity. The older Plato grew the farther he seems to have advanced from the humanist to the naturalistic point of view; and, had he been willing to confess it, Hippias and Prodicus were the teachers with whom he finally found himself most in sympathy. We are told that when his end began to approach, the dying philosopher was pressed to choose a successor in the headship of the School. The manner in which he did this is289 characteristic of his singular gentleness and unwillingness to give offence. It was understood that the choice must lie between his two most distinguished pupils, Theophrastus of Lesbos, and Eudêmus of Rhodes. Aristotle asked for specimens of the wine grown in those islands. He first essayed the Rhodian vintage, and praised it highly, but remarked after tasting the other, ‘The Lesbian is sweeter,’ thus revealing his preference for Theophrastus, who accordingly reigned over the Lyceum in his stead.179 Abibulla saw them off with great deference and a contrite air, and watched their retreat; then, as[Pg 260] I was about to send him to despatch the message, he was indignant. The police! What could they do to a sahib like me? It was all very well to frighten poor folks—it was a sin to waste money in asking for a reply which I should never be called upon to show—and so he went on, till I made up my mind to think no more of the matter. 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