公开(公告)号：US20080292489A1

公开(公告)日：2008-11-27

申请号：US12181718

申请日：2008-07-29

申请人： Yukinori Yamamoto ,  Michael L. Santella ,  Michael P. Brady ,  Philip J. Maziasz ,  Chain-Tsuan Liu

发明人： Yukinori Yamamoto ,  Michael L. Santella ,  Michael P. Brady ,  Philip J. Maziasz ,  Chain-Tsuan Liu

IPC分类号： C22C38/44 ,  C22C38/52 ,  C22C38/18 ,  C22C38/58 ,  C22C38/42 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28

CPC分类号： C22C38/58 ,  C22C38/06 ,  C22C38/54 ,  Y10T428/166

摘要： An austenitic stainless steel alloy includes, in weight percent: >4 to 15 Mn; 8 to 15 Ni; 14 to 16 Cr; 2.4 to 3 Al; 0.4 to 1 total of at least one of Nb and Ta; 0.05 to 0.2 C; 0.01 to 0.02 B; no more than 0.3 of combined Ti+V; up to 3 Mo; up to 3 Co; up to 1W; up to 3 Cu; up to 1 Si; up to 0.05 P; up to 1 total of at least one of Y, La, Ce, Hf, and Zr; less than 0.05 N; and base Fe, wherein the weight percent Fe is greater than the weight percent Ni, and wherein the alloy forms an external continuous scale including alumina, nanometer scale sized particles distributed throughout the microstructure, the particles including at least one of NbC and TaC, and a stable essentially single phase FCC austenitic matrix microstructure that is essentially delta-ferrite-free and essentially BCC-phase-free.

摘要翻译： 奥氏体不锈钢合金包括：重量百分比：> 4至15Mn; 8〜15 Ni; 14至16 Cr; 2.4至3 Al; Nb和Ta中的至少一种为0.4〜1; 0.05〜0.2℃; 0.01〜0.02 B; 不超过0.3的Ti + V组合; 最多3 Mo; 最多3公司; 高达1W; 最多3 Cu; 高达1 Si; 高达0.05 P; 最多1个Y，La，Ce，Hf和Zr中的至少一个; 小于0.05 N; 和Fe基，其中Fe的重量百分比大于Ni的重量百分比，并且其中所述合金形成包括氧化铝的外部连续尺度，分布在整个微结构中的纳米尺度的颗粒，所述颗粒包括NbC和TaC中的至少一种，以及 基本上稳定的单相FCC奥氏体基体微观结构，其基本上是不含铁素体的，并且基本上不含BCC相。

公开(公告)号：US20080163957A1

公开(公告)日：2008-07-10

申请号：US11619944

申请日：2007-01-04

申请人： Michael P. Brady ,  Bruce A. Pint ,  Chain-Tsuan Liu ,  Philip J. Maziasz ,  Yukinori Yamamoto ,  Zhao P. Lu

发明人： Michael P. Brady ,  Bruce A. Pint ,  Chain-Tsuan Liu ,  Philip J. Maziasz ,  Yukinori Yamamoto ,  Zhao P. Lu

IPC分类号： C22C38/48 ,  C22C38/40

CPC分类号： C22C38/44 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/48

摘要： An austenitic stainless steel displaying high temperature oxidation and creep resistance has a composition that includes in weight percent 15 to 21 Ni, 10 to 15 Cr, 2 to 3.5 Al, 0.1 to 1 Nb, and 0.05 to 0.15 C, and that is free of or has very low levels of N, Ti and V. The alloy forms an external continuous alumina protective scale to provide a high oxidation resistance at temperatures of 700 to 800° C. and forms NbC nanocarbides and a stable essentially single phase fcc austenitic matrix microstructure to give high strength and high creep resistance at these temperatures.

摘要翻译： 显示高温氧化和抗蠕变性的奥氏体不锈钢具有15〜21重量％，10〜15重量％，2〜3.5重量％，0.1〜1重量％，0.05〜0.15重量％的组成，不含 或具有非常低的N，Ti和V含量。该合金形成外部连续氧化铝保护垢，以在700至800℃的温度下提供高抗氧化性，并形成NbC纳米碳化物和稳定的基本单相fcc奥氏体基体显微组织 在这些温度下赋予高强度和高抗蠕变性。

公开(公告)号：US06436339B1

公开(公告)日：2002-08-20

申请号：US09461566

申请日：1999-12-14

申请人： Philip J. Maziasz ,  Alan M. Paris ,  Joseph D. Vought

发明人： Philip J. Maziasz ,  Alan M. Paris ,  Joseph D. Vought

IPC分类号： C22C3806

CPC分类号： C22C38/06

摘要： Systems and methods are described for iron aluminum alloys. A composition includes iron, aluminum and manganese. A method includes providing an alloy including iron, aluminum and manganese; and processing the alloy. The systems and methods provide advantages because additions of manganese to iron aluminum alloys dramatically increase the fluidity of the alloys prior to solidification during casting.

摘要翻译： 铁铝合金的系统和方法已被描述。 组合物包括铁，铝和锰。 一种方法包括提供包括铁，铝和锰的合金; 并加工合金。 这些系统和方法提供了优点，因为在铸造期间固化之前添加锰到铁铝合金显着地增加了合金的流动性。

公开(公告)号：US5545373A

公开(公告)日：1996-08-13

申请号：US301238

申请日：1994-09-06

申请人： Philip J. Maziasz ,  Gene M. Goodwin ,  Chain T. Liu

发明人： Philip J. Maziasz ,  Gene M. Goodwin ,  Chain T. Liu

IPC分类号： C22C38/06

CPC分类号： C22C38/06

摘要： This invention relates to improved corrosion-resistant iron-aluminide intermetallic alloys. The alloys of this invention comprise, in atomic percent, from about 30% to about 40% aluminum alloyed with from about 0.1% to about 0.5% carbon, no more than about 0.04% boron such that the atomic weight ratio of boron to carbon in the alloy is in the range of from about 0.01:1 to about 0.08:1, from about 0.01 to about 3.5% of one or more transition metals selected from Group IVB, VB, and VIB elements and the balance iron wherein the alloy exhibits improved resistance to hot cracking during welding.

摘要翻译： 本发明涉及改进的耐腐蚀铁铝化物金属间合金。 本发明的合金以原子百分数包含约30％至约40％的与约0.1％至约0.5％的碳合金的铝，不超过约0.04％的硼，使得硼与碳的原子重量比 该合金的范围是从约0.01:1至约0.08:1，约0.01至约3.5％的一种或多种选自组IVB，VB和VIB元素的过渡金属和余量的铁，其中合金表现出改善 耐焊接热裂纹。

公开(公告)号：USH845H

公开(公告)日：1990-11-06

申请号：US526466

申请日：1990-05-16

申请人： David N. Braski ,  Philip J. Maziasz

发明人： David N. Braski ,  Philip J. Maziasz

IPC分类号： C22C27/02

CPC分类号： C22C27/02

摘要： Vanadium alloys and their fabrication to produce materials for fusion applications having small additions of Ti, C and Zr that improve resistance to helium embrittlement.

公开(公告)号：US4818485A

公开(公告)日：1989-04-04

申请号：US13471

申请日：1987-02-11

申请人： Philip J. Maziasz ,  David N. Braski ,  Arthur F. Rowcliffe

发明人： Philip J. Maziasz ,  David N. Braski ,  Arthur F. Rowcliffe

IPC分类号： C22C38/00 ,  C22C38/44 ,  C22C38/54 ,  C22C38/58

CPC分类号： C22C38/58 ,  C22C38/001 ,  C22C38/44 ,  Y10S376/90

摘要： An austenitic stainless steel alloy, with improved resistance to radiation-induced swelling and helium embrittlement, and improved resistance to thermal creep at high temperatures, consisting essentially of, by weight percent: from 16 to 18% nickel; from 13 to 17% chromium; from 2 to 3% molybdenum; from 1.5 to 2.5% manganese; from 0.01 to 0.5% silicon; from 0.2 to 0.4% titanium; from 0.1 to 0.2% niobium; from 0.1 to 0.6% vanadium; from 0.06 to 0.12% carbon; from 0.01% to 0.03% nitrogen; from 0.03 to 0.08% phosphorus; from 0.005 to 0.01% boron; and the balance iron, and wherein the alloy may be thermomechanically treated to enhance physical and mechanical properties.

摘要翻译： 奥氏体不锈钢合金具有改善的耐辐照诱发的膨胀和氦脆化性能，以及耐高温蠕变性能的改善，主要由重量百分比组成：16至18％的镍; 13至17％铬; 2〜3％的钼; 1.5〜2.5％锰; 0.01〜0.5％的硅; 0.2〜0.4％的钛; 0.1〜0.2％的铌; 0.1至0.6％的钒; 0.06〜0.12％的碳; 0.01％至0.03％氮气; 0.03〜0.08％的磷; 0.005〜0.01％的硼; 和余量铁，并且其中所述合金可以被热机械处理以增强物理和机械性能。