JP2016536469A - モリブデンストリップ又はモリブデン含有ストリップの作製方法 - Google Patents
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- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
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- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/18—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
- B22F2003/185—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers by hot rolling, below sintering temperature
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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Abstract
Description
本出願は、2013年9月13日出願の米国非仮特許出願第14/026,273号明細書『モリブデンストリップ又はモリブデン含有ストリップの作製方法』に関連し、その優先権の利益を主張し、その内容の全体が全ての目的のために参照によって本明細書に援用される。
700ppmの酸素含有量と30ppm未満の炭素含有量を有するモリブデン金属粉体を得た。約2kgのモリブデン粉体をセルロースバインダーと混ぜ、15分間混合した。混合した粉体をロール圧縮して、0.090インチ(約0.2286cm)の厚さを有するグリーンストリップを生産した。
実施例Iと同様の手順を用いて、別の供給源から得たモリブデン金属粉体をロール圧縮し、仕上げストリップへと処理した。応力除去操作の後の仕上げストリップは、32ppmのO2含有量と5ppmのN2含有量を有した。試料に対する引張り試験の結果を下の表IIに示す。
Claims (20)
- 少なくとも98質量%のモリブデンを含む粉体をロール圧縮してグリーンストリップにすることを含む、モリブデン含有グリーンストリップの作製方法。
- 前記粉体が1〜25μmの平均粒子径を有する、請求項1に記載の方法。
- 前記粉体が100質量%のモリブデンである、請求項1に記載の方法。
- 前記粉体が、Hf、Ti、Zr、C、K、Si、及びAlからなる群より選択される少なくとも1種の合金元素を2質量%以下さらに含む、請求項1に記載の方法。
- 前記粉体が少なくとも1つの硬質相を2質量%以下さらに含む、請求項1に記載の方法。
- 粉体をロール圧縮してグリーンストリップにすることを含み、前記粉体が、モリブデンと、W、Re、Ta、及びNbからなる群より選択される少なくとも1種の耐火金属との組合せを含み、前記粉体が少なくとも1:1のモリブデン対耐火金属の比率を有する、モリブデン含有グリーンストリップの作製方法。
- 前記粉体を少なくとも1種の添加剤と混合して混合物を形成することをさらに含み、前記混合物がロール圧縮の前に前記少なくとも1種の添加剤を2質量%以下含む、請求項1に記載の方法。
- 前記グリーンストリップが0.050インチ(約0.127cm)〜0.200インチ(約0.508cm)の厚さを有する、請求項1に記載の方法。
- 前記グリーンストリップが理論密度の50%〜90%の密度を有する、請求項1に記載の方法。
- モリブデン含有ストリップの作製方法であって、
請求項1に記載の方法に従ってモリブデン含有粉体をロール圧縮してグリーンストリップを生産することと、
前記グリーンストリップを焼結して焼結ストリップを生産することと、
前記焼結ストリップを温間圧延、アニール、及び冷間圧延の組合せを用いて処理し、前記モリブデン含有ストリップを形成することと、
任意で、仕上げステップとして、前記モリブデン含有ストリップに応力除去アニールを実施することと、
を含む方法。 - 焼結が1000℃〜2500℃の温度で行われる、請求項10に記載の方法。
- 焼結が、真空下又は不活性ガス若しくは還元性ガスの分圧下で行われる、請求項10に記載の方法。
- 温間圧延が100℃〜500℃の温度で行われる、請求項10に記載の方法。
- 温間圧延が還元性雰囲気下又は不活性ガス下で行われる、請求項10に記載の方法。
- 温間圧延が200〜400℃で行われ、パス当り1〜30%の厚さ減少を引き起こす1又は複数のパスを含む、請求項10に記載の方法。
- 温間圧延の後、冷間圧延の前に、前記焼結ストリップが少なくとも50%減少している厚さを有する、請求項10に記載の方法。
- アニールが再結晶化であり、1000℃〜2000℃の温度で行われる、請求項10に記載の方法。
- アニール及び前記応力除去アニールが800℃〜1200℃の温度で行われる、請求項10に記載の方法。
- 冷間圧延がアニールの後に行われる、請求項10に記載の方法。
- 冷間圧延の後の前記モリブデン含有ストリップが、前記グリーンストリップの厚さの35%以下の厚さを有する、請求項10に記載の方法。
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US14/026,273 | 2013-09-13 | ||
US14/026,273 US9238852B2 (en) | 2013-09-13 | 2013-09-13 | Process for making molybdenum or molybdenum-containing strip |
PCT/US2014/054205 WO2015038419A1 (en) | 2013-09-13 | 2014-09-05 | Process for making molybdenum or molybdenum-containing strip |
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US (1) | US9238852B2 (ja) |
EP (1) | EP3044346B1 (ja) |
JP (2) | JP6571661B2 (ja) |
CN (1) | CN106062235B (ja) |
WO (1) | WO2015038419A1 (ja) |
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US11130201B2 (en) * | 2014-09-05 | 2021-09-28 | Ametek, Inc. | Nickel-chromium alloy and method of making the same |
WO2017151548A1 (en) | 2016-03-04 | 2017-09-08 | Mirus Llc | Stent device for spinal fusion |
CN106077617B (zh) * | 2016-08-18 | 2018-05-04 | 中铼新材料有限公司 | 一种超薄高纯铼箔的制造方法 |
CN106399787B (zh) * | 2016-08-31 | 2018-06-01 | 安泰天龙(天津)钨钼科技有限公司 | 一种掺杂K、Si元素的高温抗蠕变钼板及其制备方法 |
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WO2019107816A1 (ko) * | 2017-11-29 | 2019-06-06 | 엔에이티엠 주식회사 | 텅스텐-몰리브덴 합금 제조방법 |
KR20190063400A (ko) * | 2017-11-29 | 2019-06-07 | 엔에이티엠 주식회사 | 텅스텐-몰리브덴 합금 제조방법 |
KR101995377B1 (ko) | 2017-11-29 | 2019-07-02 | 엔에이티엠 주식회사 | 텅스텐-몰리브덴 합금 제조방법 |
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CN106062235B (zh) | 2018-06-19 |
EP3044346A1 (en) | 2016-07-20 |
JP6730489B2 (ja) | 2020-07-29 |
EP3044346B1 (en) | 2023-08-16 |
JP6571661B2 (ja) | 2019-09-04 |
JP2019196546A (ja) | 2019-11-14 |
US20150078950A1 (en) | 2015-03-19 |
CN106062235A (zh) | 2016-10-26 |
US9238852B2 (en) | 2016-01-19 |
WO2015038419A1 (en) | 2015-03-19 |
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