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   temper embrittlement 在 石油天然气工业 分类中 的翻译结果: 查询用时:0.186秒
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temper embrittlement
相关语句
  回火脆性
    A Study of Temper Embrittlement for Hot-Wall Hydrogenation Reactor Material 2 1/4Cr-1Mo Steel
    热壁加氢反应器材料2 1/4Cr-1Mo的回火脆性研究
短句来源
    2. The test data of the test blocks serviced for 5 years and 12 years are compared and analyzed. The results showed that the test block underwent obvious temper embrittlement.
    对已服役12年的试块进行加载和不加载回火脆化实验,通过脆化试样脆化量的比较,结果表明:温度是导致材料回火脆化的主要影响因素,应力对试块的回火脆性的影响不显著。
短句来源
    The corrosion and temper embrittlement of reactor shell probably occured under hot wall condition were analyzed.
    对反应器壳体在热壁条件下可能发生的腐蚀和回火脆性进行了分析。
短句来源
    This paper mainly introduced the manufacturing technology of the high pressure hydrogenation heat exchanger made of the compound steel 2 25Cr-1Mo and stainless steel,through adopted reasonable welding and treatment procedure,both ensured the machine and the resist temper embrittlement capability of the base steel and the resist corrode capability of the compound layer.
    主要介绍了 2 2 5Cr - 1Mo不锈复合钢板加氢高压换热器的制造工艺技术。 在分析研究的基础上通过采取合理的焊接及热处理工艺 ,不但成功地保证了复合钢板基材的力学性能和抗回火脆性性能 ,而且还有效地保证了复层的耐蚀性能。
短句来源
  回火脆化
    The major culprits of corrosion of equipment are H_2,S,H_2S,NH_4HS and NH_4Cl,etc. The main corrosion forms are hydrogen attack,SSCC of austenitie stainless steel,temper embrittlement of Cr-Mo steel and corrosion of NH_4HS and NH_4Cl.
    造成加氢装置设备腐蚀的主要介质有H_2,S,H_2S,NH_4HS和NH_4Cl等,其腐蚀形态主要有氢损伤、奥氏体不锈钢连多硫酸应力腐蚀开裂、Cr-Mo钢的回火脆化、H_2S腐蚀以及NH_4HS和NH_4Cl的腐蚀。
短句来源
    The temper embrittlement prediction of hydrogenation reactor material
    加氢反应器材料回火脆化量预测
短句来源
    (3) By studying the relationship between the minimum pressurizing temperature (MPT) and the damage factor of temper embrittlement, the MPT of reactor is determined.
    (3) 在用FATT推算最低升压温度的基础上,首次探索性地研究了从风险的角度出发,利用最低升压温度与回火脆化损伤因子之间的关系,确定最低升压温度的方法。
短句来源
    This paper focuses on the hot-wall type made from 21/4Cr-1Mo steel, which undergoes obvious high temperature temper embrittlement after a period of service.
    目前热壁加氢反应器的主要选材还是2 1/4Cr-1Mo钢,但该种材料在操作温度下具有明显的高温回火脆化特性。
短句来源
    2.25Cr-1Mo-0.25V steel is the preferred material for high pressure hydrogen equipment above the design temperature of 454℃, it is in high intensity, high ability of anti-attack from hydrogen, remarkable ability of anti-embrittlement in hydrogen, fewer tendency of temper embrittlement, notable ability of anti-desquamate from hydrogen.
    2 .2 5Cr - 1Mo - 0 .2 5V钢是当前设计温度 4 5 4℃以上高压临氢设备首选用材 ,具有强度高、抗氢侵蚀能力强、抗氢脆性能显著、回火脆化倾向小、抗氢致剥离性能优良等特点。
短句来源
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  “temper embrittlement”译为未确定词的双语例句
    1. Temper embrittlement test was made on the test block serviced for 12 years.
    2.将服役5年和12年的试验数据进行比较和分析。
短句来源
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  temper embrittlement
Study on temper embrittlement control technique in steel 12Cr1MoV
      
Failure may occur catastrophically by fracture along grain boundaries when temper embrittlement induced by non-equilibrium, grain-boundary segregation (NGS) of phosphorus atoms.
      
Temper embrittlement control technique based on the theory of NGS and deformation induced phase transformation in low-alloy steel, 12CrlMoV (which is used in steam pipeline of ships), was experimentally investigated.
      
Temper embrittlement may be controlled and obviously improved by grain refinement.
      
Such steel is highly resistant to temper embrittlement and will thus facilitate increased efficiency in electricity generation through the use of higher operating temperatures and improvements in design.
      
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Abstract in this paper,the method and standards of non-destructive examination(NDE) for hydrogenation reactors are introduced.Through the Charpy impact test of the reactor-hang-block,it has been mensurated that the rate of temper embrittlement of the reactor material after being used 5 years and the minimum temperature of reactors full being pressured or water-pressure-test.It is analyzed and deduced that the fracture toughness KIC of the reactor material after being used 5 years.The two reactors is safety...

Abstract in this paper,the method and standards of non-destructive examination(NDE) for hydrogenation reactors are introduced.Through the Charpy impact test of the reactor-hang-block,it has been mensurated that the rate of temper embrittlement of the reactor material after being used 5 years and the minimum temperature of reactors full being pressured or water-pressure-test.It is analyzed and deduced that the fracture toughness KIC of the reactor material after being used 5 years.The two reactors is safety after analysising the flaw that exist in the reactors with fracture mechanics method.

介绍了厚壁加氢反应器无损检测的方法和标准,以及通过反应器材料挂片试块的却贝冲击试验测定反应器材料使用5年后的脆化程度,并确定了反应器加全压时所需的最低温度。在推导出反应器材料使用5年后断裂韧度值K_(IC)的基础上,对两台反应器的缺陷进行了安全评定。

With increasing number of hot-wall hydroprocessing reactors and extension of service time, the occurrence of polythionic acid corrosion, hydrogen induced spalling of weld overlay, temper embrittlement of base metal, hydrogen embrittlement and surface cracking etc. was increased. Various factors leading to the reactor failure were analyzed and discussed and safeguard of hot-wall hydroprocessing reactor was explored in respect of production management.

随着国产热壁加氢反应器的数量不断增加和服役时间的延长,连多硫酸腐蚀、堆焊层氢致剥离、母材回火脆化、氢脆、表面开裂等时效损伤出现的情况越来越多.文章对这些导致反应器失效的问题作了概要分析和讨论,着重从生产管理上对国产热壁加氢反应器的保障技术进行了探讨.

Abstract A specimen,removed after 30,000 hours exposure to process environment within first home made heat wall hydrogenation reactor were dissected and measured.In this paper,the measurement method of mechanical property、temper embrittliment and fracture toughness are introduced.Result obtained indicates that block material has slight temper embrittlement and good fracture toughness in air environment.

1前言2.25Cr—1Mo钢制的热壁加氢反应器在使用过程中材质的回火脆化是不可避免的,这种材质劣化现象主要表现为材料的脆性、塑性转变温度向高温区移动。为了降低材料的回火脆化敏感性,可在反应器的制造过程中,严格控制有害杂质元素Sn、Sb、As等的含量。...

 
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