回火脆性

第二部分通过脆化试验和俄歇试验研究了P在等温时效过程中的偏聚行为及其对钢的回火脆性的影响。

The second part : The segregation behavior of P to grain boundaries and its influence on the temper embrittlement during aged process were investigated by temper embrittlement test and AES .

在役加氢反应器试验试块的回火脆性研究

Study on Temper Embrittlement of Test Block within Hydrogenation Reactor in Service

结合P的非平衡晶界偏聚理论，分析回火脆性的主要影响因素。

Combine the non-equilibrium grain-boundary segregation theory of P , analysis the major effect factor of temper brittleness .

研究了Cr－Mo－V系炮钢大锻件中第二类回火脆性本质和特性。

The nature and characteristic of the second temper brittleness in big forgings of Cr - Mo - V seires gun steel were studied .

工艺试验结果表明，该钢的力学性能主要与锻造变形程度、尺寸效应、回火脆性和δ－F。组织等因素有关。

The test results showed that the mechanical properties are related to forging deformation ratio , dimensional effect , temper brittleness ,δ - Fe and so on .

Cr-Mo钢的焊接性和回火脆性分析

Analysis of Weld Property and Temper Brittleness for Cr-Mo Steel

Cr-Mo钢的回火脆性及其评定

Temper Brittleness of Cr - Mo Steel and Its Evaluation

Cr-Mo钢高温反应器的回火脆性及控制

Temper Brittleness of High Temperature Reactor Fabricated by Cr-Mo Steel and its Reactors

Co-Ni钢长期回火脆性的研究

Embrittlement of Co Ni Steel after Long Time Tempering

显微组织研究表明：该回火脆性主要与残余奥氏体的大量分解和M3C型碳化物向M（23）C6型碳化物的转化有关。

Micro-analysis shows that the embrittlement phenomenon with 450 ~ 500 ℃ is in-duced by the decomposion of residual austenite and transformation of Fe_3C to M_ ( 23 ) C_6 during tempering .

GDL-1型高强韧贝氏体钢的不可逆回火脆性

Irreversible temper embrittlement of high strength and toughness GDL-1 bainite steel

对在役运行5a后加氢反应器中的试验试块进行研究，评定了试验试块焊缝金属的回火脆性。

The test block within the hydrogenation reactor after 5 year service exposure is investigated and the susceptiblity to temper embrittlement of weld metal in the test block is assessed .

本文还研究了Si和Mn对Si-Mn-Mo-V钢低温回火脆性（350℃脆性）的影响。

The effects of si and Mn on low temperature tempered embrittlement ( LT-TE ), or 350 ℃ - embrittlement as it called , of Si-Mn-Mo-V steels have been a-Iso studied in this work .

本文通过一系列AES试验、拉伸以及冲击试验，提出了与钢材回火脆性、沿晶脆断及韧脆转变温度有密切关系的新参数&磷偏聚浓度梯度（dXp）╱（dL）。

This paper presents a new paramtter & the concentration gradient of phosphorus segregation | dX_p / dL | which is concerned with TE , IGF and DBTT according to a series of AES tests , tensile and impact toughness experiments .

其高温回火脆性是晶界上M6C碳化物的析出长大和由此所产生的晶界磷偏聚共同作用的结果。

The tempering embrittlement results from the precipitation and growth of M_6Ccarbides particles and the segregation of phosphorus at prior austenite grain boundaries .

本文简述了影响Cr-Mo钢回火脆性的各种因素，介绍了步冷脆化处理工艺和Cr-Mo钢回火脆性的评定方法。

This paper briefly describes various factors affecting temper brittleness of Cr-Mo steel , introduces step cooling embrittling treatment process and evaluation method with respect to temper brittleness of Cr-Mo steel .

试验结果表明，SR处理时，9Cr1Mo钢炉管焊接接头粗晶区对回火脆性敏感，其敏感温度范围为450～550℃，但当炉管在高温下长期工作时对回火脆性不敏感。

The coarse grained region of the welded joint on this kind of furnace tube is sensitive to temper embrittle under thermal simulation treatment , and the sensitive temperature is from 450 ℃ to 550 ℃ . Under a high temperature , it is not sensitive to temper embrittlement .

用计算机绘制回火脆性转变温度曲线

Plotting the curve of temper brittleness transition temperature by computer

结果表明，亚温淬火能有效地抑制其高温回火脆性；

It was shown that intercritical quenching can effectively restrain .

钢的晶界马氏体形成与低温回火脆性

Grain Boundary Martensite Formation and Tempering Brittleness at Low Temperature of Steels

亚温淬火抑制钢的可逆回火脆性的研究

An Investigation on Eliminating the Reversible Tempering Embrittlement of Steels by IHT

磷的非平衡晶界偏聚现象及对回火脆性的影响

Non-equilibrium grain-boundary segregation for phosphorus in steel and its effect on temper embrittlement

加氢反应器用铬钼钢回火脆性

Temper brittleness of Cr-Mo steel in hydrogenated reactor

试验表明，其原因是钢的回火脆性所致。

Temper Embrittlement of Steels for Heavy Forging ;

大型锻件用钢的回火脆性

Temper Embrittlement of Steels for Heavy Forging

608钢回火脆性的研究

On Temper Embrittlement of 608 Cast Steel

石氏体的回火脆性

The temper - brittleness of Bainitic Steels

研究了合金元素对一种多元合金钢可逆回火脆性的影响。

Effect of alloying elements of a multicomponent alloy steel on the temper embrittlement is investigated .

但此脆性不同于马氏体的回火脆性，其断口呈准解理断裂，随着温度升高，此脆性逐渐消失。

The fracture of the former is quasi-cleavage fracture and its brittleness gradually disappears with temperature increase .

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。

The corrosion and temper embrittlement of reactor shell probably occured under hot wall condition were analyzed .